138854940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{330607}}^1$

素因数の和:330626

約数の個数: 48

約数和(自身を含む): 444337152

約数和(自身を除く): 305482212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 330607, 661214, 991821, 1322428, 1653035, 1983642, 2314249, 3306070, 3967284, 4628498, 4959105, 6612140, 6942747, 9256996, 9918210, 11571245, 13885494, 19836420, 23142490, 27770988, 34713735, 46284980, 69427470, 138854940]

約数ペア:

[(1, 138854940), (2, 69427470), (3, 46284980), (4, 34713735), (5, 27770988), (6, 23142490), (7, 19836420), (10, 13885494), (12, 11571245), (14, 9918210), (15, 9256996), (20, 6942747), (21, 6612140), (28, 4959105), (30, 4628498), (35, 3967284), (42, 3306070), (60, 2314249), (70, 1983642), (84, 1653035), (105, 1322428), (140, 991821), (210, 661214), (420, 330607)]