283640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1013}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 730080

約数和(自身を除く): 446440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1013, 2026, 4052, 5065, 7091, 8104, 10130, 14182, 20260, 28364, 35455, 40520, 56728, 70910, 141820, 283640]

約数ペア:

[(1, 283640), (2, 141820), (4, 70910), (5, 56728), (7, 40520), (8, 35455), (10, 28364), (14, 20260), (20, 14182), (28, 10130), (35, 8104), (40, 7091), (56, 5065), (70, 4052), (140, 2026), (280, 1013)]