817819240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2920783}}^1$

素因数の和:2920801

約数の個数: 32

約数和(自身を含む): 2102964480

約数和(自身を除く): 1285145240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2920783, 5841566, 11683132, 14603915, 20445481, 23366264, 29207830, 40890962, 58415660, 81781924, 102227405, 116831320, 163563848, 204454810, 408909620, 817819240]

約数ペア:

[(1, 817819240), (2, 408909620), (4, 204454810), (5, 163563848), (7, 116831320), (8, 102227405), (10, 81781924), (14, 58415660), (20, 40890962), (28, 29207830), (35, 23366264), (40, 20445481), (56, 14603915), (70, 11683132), (140, 5841566), (280, 2920783)]