905140

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 1919232

約数和(自身を除く): 1014092

約数列:

[1, 2, 4, 5, 10, 20, 167, 271, 334, 542, 668, 835, 1084, 1355, 1670, 2710, 3340, 5420, 45257, 90514, 181028, 226285, 452570, 905140]

約数ペア:

[(1, 905140), (2, 452570), (4, 226285), (5, 181028), (10, 90514), (20, 45257), (167, 5420), (271, 3340), (334, 2710), (542, 1670), (668, 1355), (835, 1084)]