72002875

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 111421440

約数和(自身を除く): 39418565

約数列:

[1, 5, 7, 19, 25, 35, 61, 71, 95, 125, 133, 175, 305, 355, 427, 475, 497, 665, 875, 1159, 1349, 1525, 1775, 2135, 2375, 2485, 3325, 4331, 5795, 6745, 7625, 8113, 8875, 9443, 10675, 12425, 16625, 21655, 28975, 30317, 33725, 40565, 47215, 53375, 62125, 82289, 108275, 144875, 151585, 168625, 202825, 236075, 411445, 541375, 576023, 757925, 1014125, 1180375, 2057225, 2880115, 3789625, 10286125, 14400575, 72002875]

約数ペア:

[(1, 72002875), (5, 14400575), (7, 10286125), (19, 3789625), (25, 2880115), (35, 2057225), (61, 1180375), (71, 1014125), (95, 757925), (125, 576023), (133, 541375), (175, 411445), (305, 236075), (355, 202825), (427, 168625), (475, 151585), (497, 144875), (665, 108275), (875, 82289), (1159, 62125), (1349, 53375), (1525, 47215), (1775, 40565), (2135, 33725), (2375, 30317), (2485, 28975), (3325, 21655), (4331, 16625), (5795, 12425), (6745, 10675), (7625, 9443), (8113, 8875)]