201219340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{719}}^1\times {\mathrm{1999}}^1$

素因数の和:2734

約数の個数: 48

約数和(自身を含む): 483840000

約数和(自身を除く): 282620660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 719, 1438, 1999, 2876, 3595, 3998, 5033, 7190, 7996, 9995, 10066, 13993, 14380, 19990, 20132, 25165, 27986, 39980, 50330, 55972, 69965, 100660, 139930, 279860, 1437281, 2874562, 5749124, 7186405, 10060967, 14372810, 20121934, 28745620, 40243868, 50304835, 100609670, 201219340]

約数ペア:

[(1, 201219340), (2, 100609670), (4, 50304835), (5, 40243868), (7, 28745620), (10, 20121934), (14, 14372810), (20, 10060967), (28, 7186405), (35, 5749124), (70, 2874562), (140, 1437281), (719, 279860), (1438, 139930), (1999, 100660), (2876, 69965), (3595, 55972), (3998, 50330), (5033, 39980), (7190, 27986), (7996, 25165), (9995, 20132), (10066, 19990), (13993, 14380)]