673457620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{38749}}^1$

素因数の和:38848

約数の個数: 48

約数和(自身を含む): 1562400000

約数和(自身を除く): 888942380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 17380, 38749, 77498, 154996, 193745, 387490, 426239, 774980, 852478, 1704956, 2131195, 3061171, 4262390, 6122342, 8524780, 12244684, 15305855, 30611710, 33672881, 61223420, 67345762, 134691524, 168364405, 336728810, 673457620]

約数ペア:

[(1, 673457620), (2, 336728810), (4, 168364405), (5, 134691524), (10, 67345762), (11, 61223420), (20, 33672881), (22, 30611710), (44, 15305855), (55, 12244684), (79, 8524780), (110, 6122342), (158, 4262390), (220, 3061171), (316, 2131195), (395, 1704956), (790, 852478), (869, 774980), (1580, 426239), (1738, 387490), (3476, 193745), (4345, 154996), (8690, 77498), (17380, 38749)]