207749960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{472159}}^1$

素因数の和:472181

約数の個数: 32

約数和(自身を含む): 509932800

約数和(自身を除く): 302182840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 472159, 944318, 1888636, 2360795, 3777272, 4721590, 5193749, 9443180, 10387498, 18886360, 20774996, 25968745, 41549992, 51937490, 103874980, 207749960]

約数ペア:

[(1, 207749960), (2, 103874980), (4, 51937490), (5, 41549992), (8, 25968745), (10, 20774996), (11, 18886360), (20, 10387498), (22, 9443180), (40, 5193749), (44, 4721590), (55, 3777272), (88, 2360795), (110, 1888636), (220, 944318), (440, 472159)]