149149775

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{383}}^1\times {\mathrm{421}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 190892544

約数和(自身を除く): 41742769

約数列:

[1, 5, 25, 37, 185, 383, 421, 925, 1915, 2105, 9575, 10525, 14171, 15577, 70855, 77885, 161243, 354275, 389425, 806215, 4031075, 5965991, 29829955, 149149775]

約数ペア:

[(1, 149149775), (5, 29829955), (25, 5965991), (37, 4031075), (185, 806215), (383, 389425), (421, 354275), (925, 161243), (1915, 77885), (2105, 70855), (9575, 15577), (10525, 14171)]