398297304

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:175

約数の個数: 256

約数和(自身を含む): 1243968000

約数和(自身を除く): 845670696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 37, 38, 43, 54, 57, 61, 72, 74, 76, 86, 108, 111, 114, 122, 129, 148, 152, 171, 172, 183, 216, 222, 228, 244, 258, 296, 333, 342, 344, 366, 387, 444, 456, 488, 513, 516, 549, 666, 684, 703, 732, 774, 817, 888, 999, 1026, 1032, 1098, 1159, 1161, 1332, 1368, 1406, 1464, 1548, 1591, 1634, 1647, 1998, 2052, 2109, 2196, 2257, 2318, 2322, 2451, 2623, 2664, 2812, 3096, 3182, 3268, 3294, 3477, 3996, 4104, 4218, 4392, 4514, 4636, 4644, 4773, 4902, 5246, 5624, 6327, 6364, 6536, 6588, 6771, 6954, 7353, 7869, 7992, 8436, 9028, 9272, 9288, 9546, 9804, 10431, 10492, 12654, 12728, 13176, 13542, 13908, 14319, 14706, 15738, 16872, 18056, 18981, 19092, 19608, 20313, 20862, 20984, 22059, 23607, 25308, 27084, 27816, 28638, 29412, 30229, 31293, 31476, 37962, 38184, 40626, 41724, 42883, 42957, 44118, 47214, 49837, 50616, 54168, 57276, 58824, 60458, 60939, 62586, 62952, 70821, 75924, 81252, 83448, 85766, 85914, 88236, 90687, 94428, 97051, 99674, 114552, 120916, 121878, 125172, 128649, 141642, 149511, 151848, 162504, 171532, 171828, 176472, 181374, 188856, 194102, 199348, 241832, 243756, 250344, 257298, 272061, 283284, 291153, 299022, 343064, 343656, 362748, 385947, 388204, 398696, 448533, 487512, 514596, 544122, 566568, 582306, 598044, 725496, 771894, 776408, 816183, 873459, 897066, 1029192, 1088244, 1157841, 1164612, 1196088, 1345599, 1543788, 1632366, 1746918, 1794132, 1843969, 2176488, 2315682, 2329224, 2620377, 2691198, 3087576, 3264732, 3493836, 3588264, 3687938, 4631364, 5240754, 5382396, 5531907, 6529464, 6987672, 7375876, 9262728, 10481508, 10764792, 11063814, 14751752, 16595721, 20963016, 22127628, 33191442, 44255256, 49787163, 66382884, 99574326, 132765768, 199148652, 398297304]

約数ペア:

[(1, 398297304), (2, 199148652), (3, 132765768), (4, 99574326), (6, 66382884), (8, 49787163), (9, 44255256), (12, 33191442), (18, 22127628), (19, 20963016), (24, 16595721), (27, 14751752), (36, 11063814), (37, 10764792), (38, 10481508), (43, 9262728), (54, 7375876), (57, 6987672), (61, 6529464), (72, 5531907), (74, 5382396), (76, 5240754), (86, 4631364), (108, 3687938), (111, 3588264), (114, 3493836), (122, 3264732), (129, 3087576), (148, 2691198), (152, 2620377), (171, 2329224), (172, 2315682), (183, 2176488), (216, 1843969), (222, 1794132), (228, 1746918), (244, 1632366), (258, 1543788), (296, 1345599), (333, 1196088), (342, 1164612), (344, 1157841), (366, 1088244), (387, 1029192), (444, 897066), (456, 873459), (488, 816183), (513, 776408), (516, 771894), (549, 725496), (666, 598044), (684, 582306), (703, 566568), (732, 544122), (774, 514596), (817, 487512), (888, 448533), (999, 398696), (1026, 388204), (1032, 385947), (1098, 362748), (1159, 343656), (1161, 343064), (1332, 299022), (1368, 291153), (1406, 283284), (1464, 272061), (1548, 257298), (1591, 250344), (1634, 243756), (1647, 241832), (1998, 199348), (2052, 194102), (2109, 188856), (2196, 181374), (2257, 176472), (2318, 171828), (2322, 171532), (2451, 162504), (2623, 151848), (2664, 149511), (2812, 141642), (3096, 128649), (3182, 125172), (3268, 121878), (3294, 120916), (3477, 114552), (3996, 99674), (4104, 97051), (4218, 94428), (4392, 90687), (4514, 88236), (4636, 85914), (4644, 85766), (4773, 83448), (4902, 81252), (5246, 75924), (5624, 70821), (6327, 62952), (6364, 62586), (6536, 60939), (6588, 60458), (6771, 58824), (6954, 57276), (7353, 54168), (7869, 50616), (7992, 49837), (8436, 47214), (9028, 44118), (9272, 42957), (9288, 42883), (9546, 41724), (9804, 40626), (10431, 38184), (10492, 37962), (12654, 31476), (12728, 31293), (13176, 30229), (13542, 29412), (13908, 28638), (14319, 27816), (14706, 27084), (15738, 25308), (16872, 23607), (18056, 22059), (18981, 20984), (19092, 20862), (19608, 20313)]