157436920

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{22751}}^1$

素因数の和:22935

約数の個数: 32

約数和(自身を含む): 356296320

約数和(自身を除く): 198859400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 22751, 45502, 91004, 113755, 182008, 227510, 455020, 910040, 3935923, 7871846, 15743692, 19679615, 31487384, 39359230, 78718460, 157436920]

約数ペア:

[(1, 157436920), (2, 78718460), (4, 39359230), (5, 31487384), (8, 19679615), (10, 15743692), (20, 7871846), (40, 3935923), (173, 910040), (346, 455020), (692, 227510), (865, 182008), (1384, 113755), (1730, 91004), (3460, 45502), (6920, 22751)]