28962760

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 67417920

約数和(自身を除く): 38455160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 101, 107, 134, 202, 214, 268, 335, 404, 428, 505, 535, 536, 670, 808, 856, 1010, 1070, 1340, 2020, 2140, 2680, 4040, 4280, 6767, 7169, 10807, 13534, 14338, 21614, 27068, 28676, 33835, 35845, 43228, 54035, 54136, 57352, 67670, 71690, 86456, 108070, 135340, 143380, 216140, 270680, 286760, 432280, 724069, 1448138, 2896276, 3620345, 5792552, 7240690, 14481380, 28962760]

約数ペア:

[(1, 28962760), (2, 14481380), (4, 7240690), (5, 5792552), (8, 3620345), (10, 2896276), (20, 1448138), (40, 724069), (67, 432280), (101, 286760), (107, 270680), (134, 216140), (202, 143380), (214, 135340), (268, 108070), (335, 86456), (404, 71690), (428, 67670), (505, 57352), (535, 54136), (536, 54035), (670, 43228), (808, 35845), (856, 33835), (1010, 28676), (1070, 27068), (1340, 21614), (2020, 14338), (2140, 13534), (2680, 10807), (4040, 7169), (4280, 6767)]