207979240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{742783}}^1$

素因数の和:742801

約数の個数: 32

約数和(自身を含む): 534804480

約数和(自身を除く): 326825240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 742783, 1485566, 2971132, 3713915, 5199481, 5942264, 7427830, 10398962, 14855660, 20797924, 25997405, 29711320, 41595848, 51994810, 103989620, 207979240]

約数ペア:

[(1, 207979240), (2, 103989620), (4, 51994810), (5, 41595848), (7, 29711320), (8, 25997405), (10, 20797924), (14, 14855660), (20, 10398962), (28, 7427830), (35, 5942264), (40, 5199481), (56, 3713915), (70, 2971132), (140, 1485566), (280, 742783)]