257984350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:710

約数の個数: 96

約数和(自身を含む): 562838976

約数和(自身を除く): 304854626

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 37, 50, 65, 74, 85, 130, 170, 185, 221, 325, 370, 425, 442, 481, 629, 631, 650, 850, 925, 962, 1105, 1258, 1262, 1850, 2210, 2405, 3145, 3155, 4810, 5525, 6290, 6310, 8177, 8203, 10727, 11050, 12025, 15725, 15775, 16354, 16406, 21454, 23347, 24050, 31450, 31550, 40885, 41015, 46694, 53635, 81770, 82030, 107270, 116735, 139451, 204425, 205075, 233470, 268175, 278902, 303511, 396899, 408850, 410150, 536350, 583675, 607022, 697255, 793798, 1167350, 1394510, 1517555, 1984495, 3035110, 3486275, 3968990, 5159687, 6972550, 7587775, 9922475, 10319374, 15175550, 19844950, 25798435, 51596870, 128992175, 257984350]

約数ペア:

[(1, 257984350), (2, 128992175), (5, 51596870), (10, 25798435), (13, 19844950), (17, 15175550), (25, 10319374), (26, 9922475), (34, 7587775), (37, 6972550), (50, 5159687), (65, 3968990), (74, 3486275), (85, 3035110), (130, 1984495), (170, 1517555), (185, 1394510), (221, 1167350), (325, 793798), (370, 697255), (425, 607022), (442, 583675), (481, 536350), (629, 410150), (631, 408850), (650, 396899), (850, 303511), (925, 278902), (962, 268175), (1105, 233470), (1258, 205075), (1262, 204425), (1850, 139451), (2210, 116735), (2405, 107270), (3145, 82030), (3155, 81770), (4810, 53635), (5525, 46694), (6290, 41015), (6310, 40885), (8177, 31550), (8203, 31450), (10727, 24050), (11050, 23347), (12025, 21454), (15725, 16406), (15775, 16354)]