149223640

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{20611}}^1$

素因数の和:20803

約数の個数: 32

約数和(自身を含む): 337624560

約数和(自身を除く): 188400920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 20611, 41222, 82444, 103055, 164888, 206110, 412220, 824440, 3730591, 7461182, 14922364, 18652955, 29844728, 37305910, 74611820, 149223640]

約数ペア:

[(1, 149223640), (2, 74611820), (4, 37305910), (5, 29844728), (8, 18652955), (10, 14922364), (20, 7461182), (40, 3730591), (181, 824440), (362, 412220), (724, 206110), (905, 164888), (1448, 103055), (1810, 82444), (3620, 41222), (7240, 20611)]