204578120

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{70061}}^1$

素因数の和:70145

約数の個数: 32

約数和(自身を含む): 466612920

約数和(自身を除く): 262034800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 70061, 140122, 280244, 350305, 560488, 700610, 1401220, 2802440, 5114453, 10228906, 20457812, 25572265, 40915624, 51144530, 102289060, 204578120]

約数ペア:

[(1, 204578120), (2, 102289060), (4, 51144530), (5, 40915624), (8, 25572265), (10, 20457812), (20, 10228906), (40, 5114453), (73, 2802440), (146, 1401220), (292, 700610), (365, 560488), (584, 350305), (730, 280244), (1460, 140122), (2920, 70061)]