138917500

素因数分解:

$2^2\times 5^4\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:512

約数の個数: 60

約数和(自身を含む): 306458152

約数和(自身を除く): 167540652

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 181, 250, 307, 362, 500, 614, 625, 724, 905, 1228, 1250, 1535, 1810, 2500, 3070, 3620, 4525, 6140, 7675, 9050, 15350, 18100, 22625, 30700, 38375, 45250, 55567, 76750, 90500, 111134, 113125, 153500, 191875, 222268, 226250, 277835, 383750, 452500, 555670, 767500, 1111340, 1389175, 2778350, 5556700, 6945875, 13891750, 27783500, 34729375, 69458750, 138917500]

約数ペア:

[(1, 138917500), (2, 69458750), (4, 34729375), (5, 27783500), (10, 13891750), (20, 6945875), (25, 5556700), (50, 2778350), (100, 1389175), (125, 1111340), (181, 767500), (250, 555670), (307, 452500), (362, 383750), (500, 277835), (614, 226250), (625, 222268), (724, 191875), (905, 153500), (1228, 113125), (1250, 111134), (1535, 90500), (1810, 76750), (2500, 55567), (3070, 45250), (3620, 38375), (4525, 30700), (6140, 22625), (7675, 18100), (9050, 15350)]