102570020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3719}}^1$

素因数の和:3932

約数の個数: 48

約数和(自身を含む): 247484160

約数和(自身を除く): 144914140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3719, 3940, 5516, 6895, 7438, 13790, 14876, 18595, 26033, 27580, 37190, 52066, 74380, 104132, 130165, 260330, 520660, 732643, 1465286, 2930572, 3663215, 5128501, 7326430, 10257002, 14652860, 20514004, 25642505, 51285010, 102570020]

約数ペア:

[(1, 102570020), (2, 51285010), (4, 25642505), (5, 20514004), (7, 14652860), (10, 10257002), (14, 7326430), (20, 5128501), (28, 3663215), (35, 2930572), (70, 1465286), (140, 732643), (197, 520660), (394, 260330), (788, 130165), (985, 104132), (1379, 74380), (1970, 52066), (2758, 37190), (3719, 27580), (3940, 26033), (5516, 18595), (6895, 14876), (7438, 13790)]