248537560

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{44701}}^1$

素因数の和:44851

約数の個数: 32

約数和(自身を含む): 563245200

約数和(自身を除く): 314707640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 44701, 89402, 178804, 223505, 357608, 447010, 894020, 1788040, 6213439, 12426878, 24853756, 31067195, 49707512, 62134390, 124268780, 248537560]

約数ペア:

[(1, 248537560), (2, 124268780), (4, 62134390), (5, 49707512), (8, 31067195), (10, 24853756), (20, 12426878), (40, 6213439), (139, 1788040), (278, 894020), (556, 447010), (695, 357608), (1112, 223505), (1390, 178804), (2780, 89402), (5560, 44701)]