77498680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{276781}}^1$

素因数の和:276799

約数の個数: 32

約数和(自身を含む): 199283040

約数和(自身を除く): 121784360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 276781, 553562, 1107124, 1383905, 1937467, 2214248, 2767810, 3874934, 5535620, 7749868, 9687335, 11071240, 15499736, 19374670, 38749340, 77498680]

約数ペア:

[(1, 77498680), (2, 38749340), (4, 19374670), (5, 15499736), (7, 11071240), (8, 9687335), (10, 7749868), (14, 5535620), (20, 3874934), (28, 2767810), (35, 2214248), (40, 1937467), (56, 1383905), (70, 1107124), (140, 553562), (280, 276781)]