308839640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{105767}}^1$

素因数の和:105851

約数の個数: 32

約数和(自身を含む): 704414880

約数和(自身を除く): 395575240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 105767, 211534, 423068, 528835, 846136, 1057670, 2115340, 4230680, 7720991, 15441982, 30883964, 38604955, 61767928, 77209910, 154419820, 308839640]

約数ペア:

[(1, 308839640), (2, 154419820), (4, 77209910), (5, 61767928), (8, 38604955), (10, 30883964), (20, 15441982), (40, 7720991), (73, 4230680), (146, 2115340), (292, 1057670), (365, 846136), (584, 528835), (730, 423068), (1460, 211534), (2920, 105767)]