74990500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 179786880

約数和(自身を除く): 104796380

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 83, 100, 125, 130, 139, 166, 250, 260, 278, 325, 332, 415, 500, 556, 650, 695, 830, 1079, 1300, 1390, 1625, 1660, 1807, 2075, 2158, 2780, 3250, 3475, 3614, 4150, 4316, 5395, 6500, 6950, 7228, 8300, 9035, 10375, 10790, 11537, 13900, 17375, 18070, 20750, 21580, 23074, 26975, 34750, 36140, 41500, 45175, 46148, 53950, 57685, 69500, 90350, 107900, 115370, 134875, 149981, 180700, 225875, 230740, 269750, 288425, 299962, 451750, 539500, 576850, 599924, 749905, 903500, 1153700, 1442125, 1499810, 2884250, 2999620, 3749525, 5768500, 7499050, 14998100, 18747625, 37495250, 74990500]

約数ペア:

[(1, 74990500), (2, 37495250), (4, 18747625), (5, 14998100), (10, 7499050), (13, 5768500), (20, 3749525), (25, 2999620), (26, 2884250), (50, 1499810), (52, 1442125), (65, 1153700), (83, 903500), (100, 749905), (125, 599924), (130, 576850), (139, 539500), (166, 451750), (250, 299962), (260, 288425), (278, 269750), (325, 230740), (332, 225875), (415, 180700), (500, 149981), (556, 134875), (650, 115370), (695, 107900), (830, 90350), (1079, 69500), (1300, 57685), (1390, 53950), (1625, 46148), (1660, 45175), (1807, 41500), (2075, 36140), (2158, 34750), (2780, 26975), (3250, 23074), (3475, 21580), (3614, 20750), (4150, 18070), (4316, 17375), (5395, 13900), (6500, 11537), (6950, 10790), (7228, 10375), (8300, 9035)]