1993460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 4959360

約数和(自身を除く): 2965900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 491, 580, 812, 982, 1015, 1964, 2030, 2455, 3437, 4060, 4910, 6874, 9820, 13748, 14239, 17185, 28478, 34370, 56956, 68740, 71195, 99673, 142390, 199346, 284780, 398692, 498365, 996730, 1993460]

約数ペア:

[(1, 1993460), (2, 996730), (4, 498365), (5, 398692), (7, 284780), (10, 199346), (14, 142390), (20, 99673), (28, 71195), (29, 68740), (35, 56956), (58, 34370), (70, 28478), (116, 17185), (140, 14239), (145, 13748), (203, 9820), (290, 6874), (406, 4910), (491, 4060), (580, 3437), (812, 2455), (982, 2030), (1015, 1964)]