917386580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{143791}}^1$

素因数の和:143840

約数の個数: 48

約数和(自身を含む): 2174135040

約数和(自身を除く): 1256748460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 143791, 287582, 575164, 718955, 1437910, 1581701, 2875820, 3163402, 4169939, 6326804, 7908505, 8339878, 15817010, 16679756, 20849695, 31634020, 41699390, 45869329, 83398780, 91738658, 183477316, 229346645, 458693290, 917386580]

約数ペア:

[(1, 917386580), (2, 458693290), (4, 229346645), (5, 183477316), (10, 91738658), (11, 83398780), (20, 45869329), (22, 41699390), (29, 31634020), (44, 20849695), (55, 16679756), (58, 15817010), (110, 8339878), (116, 7908505), (145, 6326804), (220, 4169939), (290, 3163402), (319, 2875820), (580, 1581701), (638, 1437910), (1276, 718955), (1595, 575164), (3190, 287582), (6380, 143791)]