353963920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{232871}}^1$

素因数の和:232903

約数の個数: 40

約数和(自身を含む): 866283840

約数和(自身を除く): 512319920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 232871, 465742, 931484, 1164355, 1862968, 2328710, 3725936, 4424549, 4657420, 8849098, 9314840, 17698196, 18629680, 22122745, 35396392, 44245490, 70792784, 88490980, 176981960, 353963920]

約数ペア:

[(1, 353963920), (2, 176981960), (4, 88490980), (5, 70792784), (8, 44245490), (10, 35396392), (16, 22122745), (19, 18629680), (20, 17698196), (38, 9314840), (40, 8849098), (76, 4657420), (80, 4424549), (95, 3725936), (152, 2328710), (190, 1862968), (304, 1164355), (380, 931484), (760, 465742), (1520, 232871)]