2005197775

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{9001}}^1$

素因数の和:9104

約数の個数: 48

約数和(自身を含む): 3036194560

約数和(自身を除く): 1030996785

約数列:

[1, 5, 7, 19, 25, 35, 67, 95, 133, 175, 335, 469, 475, 665, 1273, 1675, 2345, 3325, 6365, 8911, 9001, 11725, 31825, 44555, 45005, 63007, 171019, 222775, 225025, 315035, 603067, 855095, 1197133, 1575175, 3015335, 4221469, 4275475, 5985665, 11458273, 15076675, 21107345, 29928325, 57291365, 80207911, 105536725, 286456825, 401039555, 2005197775]

約数ペア:

[(1, 2005197775), (5, 401039555), (7, 286456825), (19, 105536725), (25, 80207911), (35, 57291365), (67, 29928325), (95, 21107345), (133, 15076675), (175, 11458273), (335, 5985665), (469, 4275475), (475, 4221469), (665, 3015335), (1273, 1575175), (1675, 1197133), (2345, 855095), (3325, 603067), (6365, 315035), (8911, 225025), (9001, 222775), (11725, 171019), (31825, 63007), (44555, 45005)]