149420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 325248

約数和(自身を除く): 175828

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 241, 310, 482, 620, 964, 1205, 2410, 4820, 7471, 14942, 29884, 37355, 74710, 149420]

約数ペア:

[(1, 149420), (2, 74710), (4, 37355), (5, 29884), (10, 14942), (20, 7471), (31, 4820), (62, 2410), (124, 1205), (155, 964), (241, 620), (310, 482)]