8418760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 21928320

約数和(自身を除く): 13509560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 281, 428, 535, 562, 749, 856, 1070, 1124, 1405, 1498, 1967, 2140, 2248, 2810, 2996, 3745, 3934, 4280, 5620, 5992, 7490, 7868, 9835, 11240, 14980, 15736, 19670, 29960, 30067, 39340, 60134, 78680, 120268, 150335, 210469, 240536, 300670, 420938, 601340, 841876, 1052345, 1202680, 1683752, 2104690, 4209380, 8418760]

約数ペア:

[(1, 8418760), (2, 4209380), (4, 2104690), (5, 1683752), (7, 1202680), (8, 1052345), (10, 841876), (14, 601340), (20, 420938), (28, 300670), (35, 240536), (40, 210469), (56, 150335), (70, 120268), (107, 78680), (140, 60134), (214, 39340), (280, 30067), (281, 29960), (428, 19670), (535, 15736), (562, 14980), (749, 11240), (856, 9835), (1070, 7868), (1124, 7490), (1405, 5992), (1498, 5620), (1967, 4280), (2140, 3934), (2248, 3745), (2810, 2996)]