68512932580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{491273}}^1$

素因数の和:491668

約数の個数: 48

約数和(自身を含む): 151862618880

約数和(自身を除く): 83349686300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 367, 380, 734, 1468, 1835, 3670, 6973, 7340, 13946, 27892, 34865, 69730, 139460, 491273, 982546, 1965092, 2456365, 4912730, 9334187, 9825460, 18668374, 37336748, 46670935, 93341870, 180297191, 186683740, 360594382, 721188764, 901485955, 1802971910, 3425646629, 3605943820, 6851293258, 13702586516, 17128233145, 34256466290, 68512932580]

約数ペア:

[(1, 68512932580), (2, 34256466290), (4, 17128233145), (5, 13702586516), (10, 6851293258), (19, 3605943820), (20, 3425646629), (38, 1802971910), (76, 901485955), (95, 721188764), (190, 360594382), (367, 186683740), (380, 180297191), (734, 93341870), (1468, 46670935), (1835, 37336748), (3670, 18668374), (6973, 9825460), (7340, 9334187), (13946, 4912730), (27892, 2456365), (34865, 1965092), (69730, 982546), (139460, 491273)]