544420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 1157184

約数和(自身を除く): 612764

約数列:

[1, 2, 4, 5, 10, 20, 163, 167, 326, 334, 652, 668, 815, 835, 1630, 1670, 3260, 3340, 27221, 54442, 108884, 136105, 272210, 544420]

約数ペア:

[(1, 544420), (2, 272210), (4, 136105), (5, 108884), (10, 54442), (20, 27221), (163, 3340), (167, 3260), (326, 1670), (334, 1630), (652, 835), (668, 815)]