31460971960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{143291}}^1$

素因数の和:143812

約数の個数: 64

約数和(自身を含む): 77377680000

約数和(自身を除く): 45916708040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 499, 998, 1996, 2495, 3992, 4990, 5489, 9980, 10978, 19960, 21956, 27445, 43912, 54890, 109780, 143291, 219560, 286582, 573164, 716455, 1146328, 1432910, 1576201, 2865820, 3152402, 5731640, 6304804, 7881005, 12609608, 15762010, 31524020, 63048040, 71502209, 143004418, 286008836, 357511045, 572017672, 715022090, 786524299, 1430044180, 1573048598, 2860088360, 3146097196, 3932621495, 6292194392, 7865242990, 15730485980, 31460971960]

約数ペア:

[(1, 31460971960), (2, 15730485980), (4, 7865242990), (5, 6292194392), (8, 3932621495), (10, 3146097196), (11, 2860088360), (20, 1573048598), (22, 1430044180), (40, 786524299), (44, 715022090), (55, 572017672), (88, 357511045), (110, 286008836), (220, 143004418), (440, 71502209), (499, 63048040), (998, 31524020), (1996, 15762010), (2495, 12609608), (3992, 7881005), (4990, 6304804), (5489, 5731640), (9980, 3152402), (10978, 2865820), (19960, 1576201), (21956, 1432910), (27445, 1146328), (43912, 716455), (54890, 573164), (109780, 286582), (143291, 219560)]