68778400

素因数分解:

$2^5\times 5^2\times {\mathrm{149}}^1\times {\mathrm{577}}^1$

素因数の和:746

約数の個数: 72

約数和(自身を含む): 169325100

約数和(自身を除く): 100546700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 149, 160, 200, 298, 400, 577, 596, 745, 800, 1154, 1192, 1490, 2308, 2384, 2885, 2980, 3725, 4616, 4768, 5770, 5960, 7450, 9232, 11540, 11920, 14425, 14900, 18464, 23080, 23840, 28850, 29800, 46160, 57700, 59600, 85973, 92320, 115400, 119200, 171946, 230800, 343892, 429865, 461600, 687784, 859730, 1375568, 1719460, 2149325, 2751136, 3438920, 4298650, 6877840, 8597300, 13755680, 17194600, 34389200, 68778400]

約数ペア:

[(1, 68778400), (2, 34389200), (4, 17194600), (5, 13755680), (8, 8597300), (10, 6877840), (16, 4298650), (20, 3438920), (25, 2751136), (32, 2149325), (40, 1719460), (50, 1375568), (80, 859730), (100, 687784), (149, 461600), (160, 429865), (200, 343892), (298, 230800), (400, 171946), (577, 119200), (596, 115400), (745, 92320), (800, 85973), (1154, 59600), (1192, 57700), (1490, 46160), (2308, 29800), (2384, 28850), (2885, 23840), (2980, 23080), (3725, 18464), (4616, 14900), (4768, 14425), (5770, 11920), (5960, 11540), (7450, 9232)]