199301840

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{4363}}^1$

素因数の和:4947

約数の個数: 40

約数和(自身を含む): 464294688

約数和(自身を除く): 264992848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 1142, 2284, 2855, 4363, 4568, 5710, 8726, 9136, 11420, 17452, 21815, 22840, 34904, 43630, 45680, 69808, 87260, 174520, 349040, 2491273, 4982546, 9965092, 12456365, 19930184, 24912730, 39860368, 49825460, 99650920, 199301840]

約数ペア:

[(1, 199301840), (2, 99650920), (4, 49825460), (5, 39860368), (8, 24912730), (10, 19930184), (16, 12456365), (20, 9965092), (40, 4982546), (80, 2491273), (571, 349040), (1142, 174520), (2284, 87260), (2855, 69808), (4363, 45680), (4568, 43630), (5710, 34904), (8726, 22840), (9136, 21815), (11420, 17452)]