129815900

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{17783}}^1$

素因数の和:17870

約数の個数: 36

約数和(自身を含む): 285575472

約数和(自身を除く): 155759572

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 146, 292, 365, 730, 1460, 1825, 3650, 7300, 17783, 35566, 71132, 88915, 177830, 355660, 444575, 889150, 1298159, 1778300, 2596318, 5192636, 6490795, 12981590, 25963180, 32453975, 64907950, 129815900]

約数ペア:

[(1, 129815900), (2, 64907950), (4, 32453975), (5, 25963180), (10, 12981590), (20, 6490795), (25, 5192636), (50, 2596318), (73, 1778300), (100, 1298159), (146, 889150), (292, 444575), (365, 355660), (730, 177830), (1460, 88915), (1825, 71132), (3650, 35566), (7300, 17783)]