137975180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{20113}}^1$

素因数の和:20143

約数の個数: 48

約数和(自身を含む): 337915200

約数和(自身を除く): 199940020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 20113, 40226, 80452, 100565, 140791, 201130, 281582, 402260, 563164, 703955, 985537, 1407910, 1971074, 2815820, 3942148, 4927685, 6898759, 9855370, 13797518, 19710740, 27595036, 34493795, 68987590, 137975180]

約数ペア:

[(1, 137975180), (2, 68987590), (4, 34493795), (5, 27595036), (7, 19710740), (10, 13797518), (14, 9855370), (20, 6898759), (28, 4927685), (35, 3942148), (49, 2815820), (70, 1971074), (98, 1407910), (140, 985537), (196, 703955), (245, 563164), (343, 402260), (490, 281582), (686, 201130), (980, 140791), (1372, 100565), (1715, 80452), (3430, 40226), (6860, 20113)]