251887636

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 216

約数和(自身を含む): 653785440

約数和(自身を除く): 401897804

約数列:

[1, 2, 4, 7, 11, 13, 14, 19, 22, 26, 28, 38, 43, 44, 49, 52, 76, 77, 86, 91, 98, 121, 133, 143, 154, 172, 182, 196, 209, 242, 247, 266, 286, 301, 308, 364, 418, 473, 484, 494, 532, 539, 559, 572, 602, 637, 817, 836, 847, 931, 946, 988, 1001, 1078, 1118, 1204, 1274, 1463, 1573, 1634, 1694, 1729, 1862, 1892, 2002, 2107, 2156, 2236, 2299, 2548, 2717, 2926, 3146, 3268, 3311, 3388, 3458, 3724, 3913, 4004, 4214, 4598, 5203, 5434, 5719, 5852, 5929, 6149, 6292, 6622, 6916, 7007, 7826, 8428, 8987, 9196, 10241, 10406, 10621, 10868, 11011, 11438, 11858, 12103, 12298, 13244, 14014, 15652, 16093, 17974, 19019, 20482, 20812, 21242, 22022, 22876, 23177, 23716, 24206, 24596, 27391, 28028, 29887, 32186, 35948, 36421, 38038, 40033, 40964, 42484, 43043, 44044, 46354, 48412, 54782, 59774, 62909, 64372, 67639, 72842, 74347, 76076, 77077, 80066, 86086, 92708, 98857, 109564, 112651, 116831, 119548, 125818, 133133, 135278, 145684, 148694, 154154, 160132, 172172, 197714, 209209, 225302, 233662, 251636, 254947, 266266, 270556, 297388, 301301, 308308, 395428, 418418, 440363, 450604, 467324, 473473, 509894, 520429, 532532, 602602, 691999, 817817, 836836, 880726, 946946, 1019788, 1040858, 1205204, 1285141, 1383998, 1464463, 1635634, 1761452, 1893892, 2081716, 2570282, 2767996, 2928926, 3271268, 3314311, 4843993, 5140564, 5724719, 5857852, 6628622, 8995987, 9687986, 11449438, 13257244, 17991974, 19375972, 22898876, 35983948, 62971909, 125943818, 251887636]

約数ペア:

[(1, 251887636), (2, 125943818), (4, 62971909), (7, 35983948), (11, 22898876), (13, 19375972), (14, 17991974), (19, 13257244), (22, 11449438), (26, 9687986), (28, 8995987), (38, 6628622), (43, 5857852), (44, 5724719), (49, 5140564), (52, 4843993), (76, 3314311), (77, 3271268), (86, 2928926), (91, 2767996), (98, 2570282), (121, 2081716), (133, 1893892), (143, 1761452), (154, 1635634), (172, 1464463), (182, 1383998), (196, 1285141), (209, 1205204), (242, 1040858), (247, 1019788), (266, 946946), (286, 880726), (301, 836836), (308, 817817), (364, 691999), (418, 602602), (473, 532532), (484, 520429), (494, 509894), (532, 473473), (539, 467324), (559, 450604), (572, 440363), (602, 418418), (637, 395428), (817, 308308), (836, 301301), (847, 297388), (931, 270556), (946, 266266), (988, 254947), (1001, 251636), (1078, 233662), (1118, 225302), (1204, 209209), (1274, 197714), (1463, 172172), (1573, 160132), (1634, 154154), (1694, 148694), (1729, 145684), (1862, 135278), (1892, 133133), (2002, 125818), (2107, 119548), (2156, 116831), (2236, 112651), (2299, 109564), (2548, 98857), (2717, 92708), (2926, 86086), (3146, 80066), (3268, 77077), (3311, 76076), (3388, 74347), (3458, 72842), (3724, 67639), (3913, 64372), (4004, 62909), (4214, 59774), (4598, 54782), (5203, 48412), (5434, 46354), (5719, 44044), (5852, 43043), (5929, 42484), (6149, 40964), (6292, 40033), (6622, 38038), (6916, 36421), (7007, 35948), (7826, 32186), (8428, 29887), (8987, 28028), (9196, 27391), (10241, 24596), (10406, 24206), (10621, 23716), (10868, 23177), (11011, 22876), (11438, 22022), (11858, 21242), (12103, 20812), (12298, 20482), (13244, 19019), (14014, 17974), (15652, 16093)]