90890450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8377}}^1$

素因数の和:8427

約数の個数: 48

約数和(自身を含む): 199463424

約数和(自身を除く): 108572974

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 155, 175, 217, 310, 350, 434, 775, 1085, 1550, 2170, 5425, 8377, 10850, 16754, 41885, 58639, 83770, 117278, 209425, 259687, 293195, 418850, 519374, 586390, 1298435, 1465975, 1817809, 2596870, 2931950, 3635618, 6492175, 9089045, 12984350, 18178090, 45445225, 90890450]

約数ペア:

[(1, 90890450), (2, 45445225), (5, 18178090), (7, 12984350), (10, 9089045), (14, 6492175), (25, 3635618), (31, 2931950), (35, 2596870), (50, 1817809), (62, 1465975), (70, 1298435), (155, 586390), (175, 519374), (217, 418850), (310, 293195), (350, 259687), (434, 209425), (775, 117278), (1085, 83770), (1550, 58639), (2170, 41885), (5425, 16754), (8377, 10850)]