139790980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{52553}}^1$

素因数の和:52588

約数の個数: 48

約数和(自身を含む): 353162880

約数和(自身を除く): 213371900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 52553, 105106, 210212, 262765, 367871, 525530, 735742, 998507, 1051060, 1471484, 1839355, 1997014, 3678710, 3994028, 4992535, 6989549, 7357420, 9985070, 13979098, 19970140, 27958196, 34947745, 69895490, 139790980]

約数ペア:

[(1, 139790980), (2, 69895490), (4, 34947745), (5, 27958196), (7, 19970140), (10, 13979098), (14, 9985070), (19, 7357420), (20, 6989549), (28, 4992535), (35, 3994028), (38, 3678710), (70, 1997014), (76, 1839355), (95, 1471484), (133, 1051060), (140, 998507), (190, 735742), (266, 525530), (380, 367871), (532, 262765), (665, 210212), (1330, 105106), (2660, 52553)]