619640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2213}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 1594080

約数和(自身を除く): 974440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2213, 4426, 8852, 11065, 15491, 17704, 22130, 30982, 44260, 61964, 77455, 88520, 123928, 154910, 309820, 619640]

約数ペア:

[(1, 619640), (2, 309820), (4, 154910), (5, 123928), (7, 88520), (8, 77455), (10, 61964), (14, 44260), (20, 30982), (28, 22130), (35, 17704), (40, 15491), (56, 11065), (70, 8852), (140, 4426), (280, 2213)]