4321790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 8592480

約数和(自身を除く): 4270690

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 389, 505, 778, 1010, 1111, 1945, 2222, 3890, 4279, 5555, 8558, 11110, 21395, 39289, 42790, 78578, 196445, 392890, 432179, 864358, 2160895, 4321790]

約数ペア:

[(1, 4321790), (2, 2160895), (5, 864358), (10, 432179), (11, 392890), (22, 196445), (55, 78578), (101, 42790), (110, 39289), (202, 21395), (389, 11110), (505, 8558), (778, 5555), (1010, 4279), (1111, 3890), (1945, 2222)]