4920497620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{28571}}^1$

素因数の和:28768

約数の個数: 48

約数和(自身を含む): 10560211200

約数和(自身を除く): 5639713580

約数列:

[1, 2, 4, 5, 10, 20, 79, 109, 158, 218, 316, 395, 436, 545, 790, 1090, 1580, 2180, 8611, 17222, 28571, 34444, 43055, 57142, 86110, 114284, 142855, 172220, 285710, 571420, 2257109, 3114239, 4514218, 6228478, 9028436, 11285545, 12456956, 15571195, 22571090, 31142390, 45142180, 62284780, 246024881, 492049762, 984099524, 1230124405, 2460248810, 4920497620]

約数ペア:

[(1, 4920497620), (2, 2460248810), (4, 1230124405), (5, 984099524), (10, 492049762), (20, 246024881), (79, 62284780), (109, 45142180), (158, 31142390), (218, 22571090), (316, 15571195), (395, 12456956), (436, 11285545), (545, 9028436), (790, 6228478), (1090, 4514218), (1580, 3114239), (2180, 2257109), (8611, 571420), (17222, 285710), (28571, 172220), (34444, 142855), (43055, 114284), (57142, 86110)]