1970503880

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{359581}}^1$

素因数の和:359729

約数の個数: 32

約数和(自身を含む): 4466008440

約数和(自身を除く): 2495504560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 359581, 719162, 1438324, 1797905, 2876648, 3595810, 7191620, 14383240, 49262597, 98525194, 197050388, 246312985, 394100776, 492625970, 985251940, 1970503880]

約数ペア:

[(1, 1970503880), (2, 985251940), (4, 492625970), (5, 394100776), (8, 246312985), (10, 197050388), (20, 98525194), (40, 49262597), (137, 14383240), (274, 7191620), (548, 3595810), (685, 2876648), (1096, 1797905), (1370, 1438324), (2740, 719162), (5480, 359581)]