87139220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{622423}}^1$

素因数の和:622439

約数の個数: 24

約数和(自身を含む): 209134464

約数和(自身を除く): 121995244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 622423, 1244846, 2489692, 3112115, 4356961, 6224230, 8713922, 12448460, 17427844, 21784805, 43569610, 87139220]

約数ペア:

[(1, 87139220), (2, 43569610), (4, 21784805), (5, 17427844), (7, 12448460), (10, 8713922), (14, 6224230), (20, 4356961), (28, 3112115), (35, 2489692), (70, 1244846), (140, 622423)]