279968200

素因数分解:

$2^3\times 5^2\times {\mathrm{491}}^1\times {\mathrm{2851}}^1$

素因数の和:3358

約数の個数: 48

約数和(自身を含む): 652480560

約数和(自身を除く): 372512360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 491, 982, 1964, 2455, 2851, 3928, 4910, 5702, 9820, 11404, 12275, 14255, 19640, 22808, 24550, 28510, 49100, 57020, 71275, 98200, 114040, 142550, 285100, 570200, 1399841, 2799682, 5599364, 6999205, 11198728, 13998410, 27996820, 34996025, 55993640, 69992050, 139984100, 279968200]

約数ペア:

[(1, 279968200), (2, 139984100), (4, 69992050), (5, 55993640), (8, 34996025), (10, 27996820), (20, 13998410), (25, 11198728), (40, 6999205), (50, 5599364), (100, 2799682), (200, 1399841), (491, 570200), (982, 285100), (1964, 142550), (2455, 114040), (2851, 98200), (3928, 71275), (4910, 57020), (5702, 49100), (9820, 28510), (11404, 24550), (12275, 22808), (14255, 19640)]