149173840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26263}}^1$

素因数の和:26347

約数の個数: 40

約数和(自身を含む): 351727488

約数和(自身を除く): 202553648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 26263, 52526, 105052, 131315, 210104, 262630, 420208, 525260, 1050520, 1864673, 2101040, 3729346, 7458692, 9323365, 14917384, 18646730, 29834768, 37293460, 74586920, 149173840]

約数ペア:

[(1, 149173840), (2, 74586920), (4, 37293460), (5, 29834768), (8, 18646730), (10, 14917384), (16, 9323365), (20, 7458692), (40, 3729346), (71, 2101040), (80, 1864673), (142, 1050520), (284, 525260), (355, 420208), (568, 262630), (710, 210104), (1136, 131315), (1420, 105052), (2840, 52526), (5680, 26263)]