138878670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{661327}}^1$

素因数の和:661344

約数の個数: 32

約数和(自身を含む): 380924928

約数和(自身を除く): 242046258

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 661327, 1322654, 1983981, 3306635, 3967962, 4629289, 6613270, 9258578, 9919905, 13887867, 19839810, 23146445, 27775734, 46292890, 69439335, 138878670]

約数ペア:

[(1, 138878670), (2, 69439335), (3, 46292890), (5, 27775734), (6, 23146445), (7, 19839810), (10, 13887867), (14, 9919905), (15, 9258578), (21, 6613270), (30, 4629289), (35, 3967962), (42, 3306635), (70, 1983981), (105, 1322654), (210, 661327)]