491451948

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 288

約数和(自身を含む): 1541030400

約数和(自身を除く): 1049578452

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 23, 26, 27, 36, 38, 39, 46, 52, 54, 57, 69, 76, 78, 81, 89, 92, 108, 114, 117, 138, 156, 162, 171, 178, 207, 228, 234, 243, 247, 267, 276, 299, 324, 342, 351, 356, 414, 437, 468, 486, 494, 513, 534, 598, 621, 684, 702, 741, 801, 828, 874, 897, 972, 988, 1026, 1053, 1068, 1157, 1196, 1242, 1311, 1404, 1482, 1539, 1602, 1691, 1748, 1794, 1863, 2047, 2052, 2106, 2223, 2314, 2403, 2484, 2622, 2691, 2964, 3078, 3159, 3204, 3382, 3471, 3588, 3726, 3933, 4094, 4212, 4446, 4617, 4628, 4806, 5073, 5244, 5382, 5589, 5681, 6141, 6156, 6318, 6669, 6764, 6942, 7209, 7452, 7866, 8073, 8188, 8892, 9234, 9612, 10146, 10413, 10764, 11178, 11362, 11799, 12282, 12636, 13338, 13884, 14418, 15219, 15732, 16146, 17043, 18423, 18468, 20007, 20292, 20826, 21627, 21983, 22356, 22724, 23598, 24219, 24564, 26611, 26676, 28836, 30438, 31239, 32292, 34086, 35397, 36846, 38893, 40014, 41652, 43254, 43966, 45657, 47196, 48438, 51129, 53222, 55269, 60021, 60876, 62478, 65949, 68172, 70794, 72657, 73692, 77786, 79833, 80028, 86508, 87932, 91314, 93717, 96876, 102258, 106191, 106444, 110538, 116679, 120042, 124956, 131898, 136971, 141588, 145314, 153387, 155572, 159666, 165807, 182628, 187434, 197847, 204516, 212382, 221076, 233358, 239499, 240084, 263796, 273942, 281151, 290628, 306774, 319332, 331614, 350037, 374868, 395694, 410913, 424764, 460161, 466716, 478998, 497421, 505609, 547884, 562302, 593541, 613548, 663228, 700074, 718497, 791388, 821826, 920322, 957996, 994842, 1011218, 1050111, 1124604, 1187082, 1380483, 1400148, 1436994, 1516827, 1643652, 1780623, 1840644, 1989684, 2022436, 2100222, 2155491, 2374164, 2760966, 2873988, 3033654, 3150333, 3561246, 4200444, 4310982, 4550481, 5341869, 5521932, 6067308, 6300666, 6466473, 7122492, 8621964, 9100962, 9450999, 10683738, 12601332, 12932946, 13651443, 18201924, 18901998, 21367476, 25865892, 27302886, 37803996, 40954329, 54605772, 81908658, 122862987, 163817316, 245725974, 491451948]

約数ペア:

[(1, 491451948), (2, 245725974), (3, 163817316), (4, 122862987), (6, 81908658), (9, 54605772), (12, 40954329), (13, 37803996), (18, 27302886), (19, 25865892), (23, 21367476), (26, 18901998), (27, 18201924), (36, 13651443), (38, 12932946), (39, 12601332), (46, 10683738), (52, 9450999), (54, 9100962), (57, 8621964), (69, 7122492), (76, 6466473), (78, 6300666), (81, 6067308), (89, 5521932), (92, 5341869), (108, 4550481), (114, 4310982), (117, 4200444), (138, 3561246), (156, 3150333), (162, 3033654), (171, 2873988), (178, 2760966), (207, 2374164), (228, 2155491), (234, 2100222), (243, 2022436), (247, 1989684), (267, 1840644), (276, 1780623), (299, 1643652), (324, 1516827), (342, 1436994), (351, 1400148), (356, 1380483), (414, 1187082), (437, 1124604), (468, 1050111), (486, 1011218), (494, 994842), (513, 957996), (534, 920322), (598, 821826), (621, 791388), (684, 718497), (702, 700074), (741, 663228), (801, 613548), (828, 593541), (874, 562302), (897, 547884), (972, 505609), (988, 497421), (1026, 478998), (1053, 466716), (1068, 460161), (1157, 424764), (1196, 410913), (1242, 395694), (1311, 374868), (1404, 350037), (1482, 331614), (1539, 319332), (1602, 306774), (1691, 290628), (1748, 281151), (1794, 273942), (1863, 263796), (2047, 240084), (2052, 239499), (2106, 233358), (2223, 221076), (2314, 212382), (2403, 204516), (2484, 197847), (2622, 187434), (2691, 182628), (2964, 165807), (3078, 159666), (3159, 155572), (3204, 153387), (3382, 145314), (3471, 141588), (3588, 136971), (3726, 131898), (3933, 124956), (4094, 120042), (4212, 116679), (4446, 110538), (4617, 106444), (4628, 106191), (4806, 102258), (5073, 96876), (5244, 93717), (5382, 91314), (5589, 87932), (5681, 86508), (6141, 80028), (6156, 79833), (6318, 77786), (6669, 73692), (6764, 72657), (6942, 70794), (7209, 68172), (7452, 65949), (7866, 62478), (8073, 60876), (8188, 60021), (8892, 55269), (9234, 53222), (9612, 51129), (10146, 48438), (10413, 47196), (10764, 45657), (11178, 43966), (11362, 43254), (11799, 41652), (12282, 40014), (12636, 38893), (13338, 36846), (13884, 35397), (14418, 34086), (15219, 32292), (15732, 31239), (16146, 30438), (17043, 28836), (18423, 26676), (18468, 26611), (20007, 24564), (20292, 24219), (20826, 23598), (21627, 22724), (21983, 22356)]