398631840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{830483}}^1$

素因数の和:830501

約数の個数: 48

約数和(自身を含む): 1255691808

約数和(自身を除く): 857059968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 830483, 1660966, 2491449, 3321932, 4152415, 4982898, 6643864, 8304830, 9965796, 12457245, 13287728, 16609660, 19931592, 24914490, 26575456, 33219320, 39863184, 49828980, 66438640, 79726368, 99657960, 132877280, 199315920, 398631840]

約数ペア:

[(1, 398631840), (2, 199315920), (3, 132877280), (4, 99657960), (5, 79726368), (6, 66438640), (8, 49828980), (10, 39863184), (12, 33219320), (15, 26575456), (16, 24914490), (20, 19931592), (24, 16609660), (30, 13287728), (32, 12457245), (40, 9965796), (48, 8304830), (60, 6643864), (80, 4982898), (96, 4152415), (120, 3321932), (160, 2491449), (240, 1660966), (480, 830483)]