77451320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113899}}^1$

素因数の和:113927

約数の個数: 32

約数和(自身を含む): 184518000

約数和(自身を除く): 107066680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 113899, 227798, 455596, 569495, 911192, 1138990, 1936283, 2277980, 3872566, 4555960, 7745132, 9681415, 15490264, 19362830, 38725660, 77451320]

約数ペア:

[(1, 77451320), (2, 38725660), (4, 19362830), (5, 15490264), (8, 9681415), (10, 7745132), (17, 4555960), (20, 3872566), (34, 2277980), (40, 1936283), (68, 1138990), (85, 911192), (136, 569495), (170, 455596), (340, 227798), (680, 113899)]