128737490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{12343}}^1$

素因数の和:12506

約数の個数: 32

約数和(自身を含む): 266630400

約数和(自身を除く): 137892910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 5215, 10430, 12343, 24686, 61715, 86401, 123430, 172802, 432005, 864010, 1839107, 3678214, 9195535, 12873749, 18391070, 25747498, 64368745, 128737490]

約数ペア:

[(1, 128737490), (2, 64368745), (5, 25747498), (7, 18391070), (10, 12873749), (14, 9195535), (35, 3678214), (70, 1839107), (149, 864010), (298, 432005), (745, 172802), (1043, 123430), (1490, 86401), (2086, 61715), (5215, 24686), (10430, 12343)]