355098640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{613}}^1$

素因数の和:1196

約数の個数: 80

約数和(自身を含む): 892161648

約数和(自身を除く): 537063008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 557, 613, 1040, 1114, 1226, 2228, 2452, 2785, 3065, 4456, 4904, 5570, 6130, 7241, 7969, 8912, 9808, 11140, 12260, 14482, 15938, 22280, 24520, 28964, 31876, 36205, 39845, 44560, 49040, 57928, 63752, 72410, 79690, 115856, 127504, 144820, 159380, 289640, 318760, 341441, 579280, 637520, 682882, 1365764, 1707205, 2731528, 3414410, 4438733, 5463056, 6828820, 8877466, 13657640, 17754932, 22193665, 27315280, 35509864, 44387330, 71019728, 88774660, 177549320, 355098640]

約数ペア:

[(1, 355098640), (2, 177549320), (4, 88774660), (5, 71019728), (8, 44387330), (10, 35509864), (13, 27315280), (16, 22193665), (20, 17754932), (26, 13657640), (40, 8877466), (52, 6828820), (65, 5463056), (80, 4438733), (104, 3414410), (130, 2731528), (208, 1707205), (260, 1365764), (520, 682882), (557, 637520), (613, 579280), (1040, 341441), (1114, 318760), (1226, 289640), (2228, 159380), (2452, 144820), (2785, 127504), (3065, 115856), (4456, 79690), (4904, 72410), (5570, 63752), (6130, 57928), (7241, 49040), (7969, 44560), (8912, 39845), (9808, 36205), (11140, 31876), (12260, 28964), (14482, 24520), (15938, 22280)]