74782280

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3673}}^1$

素因数の和:4193

約数の個数: 32

約数和(自身を含む): 168636600

約数和(自身を除く): 93854320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 3673, 4072, 5090, 7346, 10180, 14692, 18365, 20360, 29384, 36730, 73460, 146920, 1869557, 3739114, 7478228, 9347785, 14956456, 18695570, 37391140, 74782280]

約数ペア:

[(1, 74782280), (2, 37391140), (4, 18695570), (5, 14956456), (8, 9347785), (10, 7478228), (20, 3739114), (40, 1869557), (509, 146920), (1018, 73460), (2036, 36730), (2545, 29384), (3673, 20360), (4072, 18365), (5090, 14692), (7346, 10180)]