38690680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{138181}}^1$

素因数の和:138199

約数の個数: 32

約数和(自身を含む): 99491040

約数和(自身を除く): 60800360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 138181, 276362, 552724, 690905, 967267, 1105448, 1381810, 1934534, 2763620, 3869068, 4836335, 5527240, 7738136, 9672670, 19345340, 38690680]

約数ペア:

[(1, 38690680), (2, 19345340), (4, 9672670), (5, 7738136), (7, 5527240), (8, 4836335), (10, 3869068), (14, 2763620), (20, 1934534), (28, 1381810), (35, 1105448), (40, 967267), (56, 690905), (70, 552724), (140, 276362), (280, 138181)]