745958890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1069}}^1\times {\mathrm{2251}}^1$

素因数の和:3358

約数の個数: 32

約数和(自身を含む): 1387952640

約数和(自身を除く): 641993750

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 1069, 2138, 2251, 4502, 5345, 10690, 11255, 22510, 33139, 66278, 69781, 139562, 165695, 331390, 348905, 697810, 2406319, 4812638, 12031595, 24063190, 74595889, 149191778, 372979445, 745958890]

約数ペア:

[(1, 745958890), (2, 372979445), (5, 149191778), (10, 74595889), (31, 24063190), (62, 12031595), (155, 4812638), (310, 2406319), (1069, 697810), (2138, 348905), (2251, 331390), (4502, 165695), (5345, 139562), (10690, 69781), (11255, 66278), (22510, 33139)]