28511210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:160

約数の個数: 128

約数和(自身を含む): 71124480

約数和(自身を除く): 42613270

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 19, 26, 34, 35, 38, 65, 70, 85, 91, 95, 97, 119, 130, 133, 170, 182, 190, 194, 221, 238, 247, 266, 323, 442, 455, 485, 494, 595, 646, 665, 679, 910, 970, 1105, 1190, 1235, 1261, 1330, 1358, 1547, 1615, 1649, 1729, 1843, 2210, 2261, 2470, 2522, 3094, 3230, 3298, 3395, 3458, 3686, 4199, 4522, 6305, 6790, 7735, 8245, 8398, 8645, 8827, 9215, 11305, 11543, 12610, 12901, 15470, 16490, 17290, 17654, 18430, 20995, 21437, 22610, 23086, 23959, 25802, 29393, 31331, 41990, 42874, 44135, 47918, 57715, 58786, 62662, 64505, 88270, 107185, 115430, 119795, 129010, 146965, 150059, 156655, 167713, 214370, 219317, 239590, 293930, 300118, 313310, 335426, 407303, 438634, 750295, 814606, 838565, 1096585, 1500590, 1677130, 2036515, 2193170, 2851121, 4073030, 5702242, 14255605, 28511210]

約数ペア:

[(1, 28511210), (2, 14255605), (5, 5702242), (7, 4073030), (10, 2851121), (13, 2193170), (14, 2036515), (17, 1677130), (19, 1500590), (26, 1096585), (34, 838565), (35, 814606), (38, 750295), (65, 438634), (70, 407303), (85, 335426), (91, 313310), (95, 300118), (97, 293930), (119, 239590), (130, 219317), (133, 214370), (170, 167713), (182, 156655), (190, 150059), (194, 146965), (221, 129010), (238, 119795), (247, 115430), (266, 107185), (323, 88270), (442, 64505), (455, 62662), (485, 58786), (494, 57715), (595, 47918), (646, 44135), (665, 42874), (679, 41990), (910, 31331), (970, 29393), (1105, 25802), (1190, 23959), (1235, 23086), (1261, 22610), (1330, 21437), (1358, 20995), (1547, 18430), (1615, 17654), (1649, 17290), (1729, 16490), (1843, 15470), (2210, 12901), (2261, 12610), (2470, 11543), (2522, 11305), (3094, 9215), (3230, 8827), (3298, 8645), (3395, 8398), (3458, 8245), (3686, 7735), (4199, 6790), (4522, 6305)]