331997480

素因数分解:

$2^3\times 5^1\times {\mathrm{1669}}^1\times {\mathrm{4973}}^1$

素因数の和:6653

約数の個数: 32

約数和(自身を含む): 747592200

約数和(自身を除く): 415594720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1669, 3338, 4973, 6676, 8345, 9946, 13352, 16690, 19892, 24865, 33380, 39784, 49730, 66760, 99460, 198920, 8299937, 16599874, 33199748, 41499685, 66399496, 82999370, 165998740, 331997480]

約数ペア:

[(1, 331997480), (2, 165998740), (4, 82999370), (5, 66399496), (8, 41499685), (10, 33199748), (20, 16599874), (40, 8299937), (1669, 198920), (3338, 99460), (4973, 66760), (6676, 49730), (8345, 39784), (9946, 33380), (13352, 24865), (16690, 19892)]