100789360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{179981}}^1$

素因数の和:180001

約数の個数: 40

約数和(自身を含む): 267813216

約数和(自身を除く): 167023856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 179981, 359962, 719924, 899905, 1259867, 1439848, 1799810, 2519734, 2879696, 3599620, 5039468, 6299335, 7199240, 10078936, 12598670, 14398480, 20157872, 25197340, 50394680, 100789360]

約数ペア:

[(1, 100789360), (2, 50394680), (4, 25197340), (5, 20157872), (7, 14398480), (8, 12598670), (10, 10078936), (14, 7199240), (16, 6299335), (20, 5039468), (28, 3599620), (35, 2879696), (40, 2519734), (56, 1799810), (70, 1439848), (80, 1259867), (112, 899905), (140, 719924), (280, 359962), (560, 179981)]