123380404

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 251596800

約数和(自身を除く): 128216396

約数列:

[1, 2, 4, 7, 14, 28, 103, 179, 206, 239, 358, 412, 478, 716, 721, 956, 1253, 1442, 1673, 2506, 2884, 3346, 5012, 6692, 18437, 24617, 36874, 42781, 49234, 73748, 85562, 98468, 129059, 171124, 172319, 258118, 299467, 344638, 516236, 598934, 689276, 1197868, 4406443, 8812886, 17625772, 30845101, 61690202, 123380404]

約数ペア:

[(1, 123380404), (2, 61690202), (4, 30845101), (7, 17625772), (14, 8812886), (28, 4406443), (103, 1197868), (179, 689276), (206, 598934), (239, 516236), (358, 344638), (412, 299467), (478, 258118), (716, 172319), (721, 171124), (956, 129059), (1253, 98468), (1442, 85562), (1673, 73748), (2506, 49234), (2884, 42781), (3346, 36874), (5012, 24617), (6692, 18437)]