29998520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 70139520

約数和(自身を除く): 40141000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 107, 163, 172, 214, 215, 326, 344, 428, 430, 535, 652, 815, 856, 860, 1070, 1304, 1630, 1720, 2140, 3260, 4280, 4601, 6520, 7009, 9202, 14018, 17441, 18404, 23005, 28036, 34882, 35045, 36808, 46010, 56072, 69764, 70090, 87205, 92020, 139528, 140180, 174410, 184040, 280360, 348820, 697640, 749963, 1499926, 2999852, 3749815, 5999704, 7499630, 14999260, 29998520]

約数ペア:

[(1, 29998520), (2, 14999260), (4, 7499630), (5, 5999704), (8, 3749815), (10, 2999852), (20, 1499926), (40, 749963), (43, 697640), (86, 348820), (107, 280360), (163, 184040), (172, 174410), (214, 140180), (215, 139528), (326, 92020), (344, 87205), (428, 70090), (430, 69764), (535, 56072), (652, 46010), (815, 36808), (856, 35045), (860, 34882), (1070, 28036), (1304, 23005), (1630, 18404), (1720, 17441), (2140, 14018), (3260, 9202), (4280, 7009), (4601, 6520)]