138444740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{9791}}^1$

素因数の和:9908

約数の個数: 48

約数和(自身を含む): 335591424

約数和(自身を除く): 197146684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 7070, 9791, 14140, 19582, 39164, 48955, 68537, 97910, 137074, 195820, 274148, 342685, 685370, 988891, 1370740, 1977782, 3955564, 4944455, 6922237, 9888910, 13844474, 19777820, 27688948, 34611185, 69222370, 138444740]

約数ペア:

[(1, 138444740), (2, 69222370), (4, 34611185), (5, 27688948), (7, 19777820), (10, 13844474), (14, 9888910), (20, 6922237), (28, 4944455), (35, 3955564), (70, 1977782), (101, 1370740), (140, 988891), (202, 685370), (404, 342685), (505, 274148), (707, 195820), (1010, 137074), (1414, 97910), (2020, 68537), (2828, 48955), (3535, 39164), (7070, 19582), (9791, 14140)]