218965467640

素因数分解:

$2^3\times 5^1\times {\mathrm{12377}}^1\times {\mathrm{442283}}^1$

素因数の和:454671

約数の個数: 32

約数和(自身を含む): 492713221680

約数和(自身を除く): 273747754040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 12377, 24754, 49508, 61885, 99016, 123770, 247540, 442283, 495080, 884566, 1769132, 2211415, 3538264, 4422830, 8845660, 17691320, 5474136691, 10948273382, 21896546764, 27370683455, 43793093528, 54741366910, 109482733820, 218965467640]

約数ペア:

[(1, 218965467640), (2, 109482733820), (4, 54741366910), (5, 43793093528), (8, 27370683455), (10, 21896546764), (20, 10948273382), (40, 5474136691), (12377, 17691320), (24754, 8845660), (49508, 4422830), (61885, 3538264), (99016, 2211415), (123770, 1769132), (247540, 884566), (442283, 495080)]