2490214190

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{57791}}^1$

素因数の和:57968

約数の個数: 32

約数和(自身を含む): 4660346880

約数和(自身を除く): 2170132690

約数列:

[1, 2, 5, 10, 31, 62, 139, 155, 278, 310, 695, 1390, 4309, 8618, 21545, 43090, 57791, 115582, 288955, 577910, 1791521, 3583042, 8032949, 8957605, 16065898, 17915210, 40164745, 80329490, 249021419, 498042838, 1245107095, 2490214190]

約数ペア:

[(1, 2490214190), (2, 1245107095), (5, 498042838), (10, 249021419), (31, 80329490), (62, 40164745), (139, 17915210), (155, 16065898), (278, 8957605), (310, 8032949), (695, 3583042), (1390, 1791521), (4309, 577910), (8618, 288955), (21545, 115582), (43090, 57791)]