68990500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{4451}}^1$

素因数の和:4501

約数の個数: 48

約数和(自身を含む): 155570688

約数和(自身を除く): 86580188

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 775, 1550, 3100, 3875, 4451, 7750, 8902, 15500, 17804, 22255, 44510, 89020, 111275, 137981, 222550, 275962, 445100, 551924, 556375, 689905, 1112750, 1379810, 2225500, 2759620, 3449525, 6899050, 13798100, 17247625, 34495250, 68990500]

約数ペア:

[(1, 68990500), (2, 34495250), (4, 17247625), (5, 13798100), (10, 6899050), (20, 3449525), (25, 2759620), (31, 2225500), (50, 1379810), (62, 1112750), (100, 689905), (124, 556375), (125, 551924), (155, 445100), (250, 275962), (310, 222550), (500, 137981), (620, 111275), (775, 89020), (1550, 44510), (3100, 22255), (3875, 17804), (4451, 15500), (7750, 8902)]