229070020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{751}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 489678336

約数和(自身を除く): 260608316

約数列:

[1, 2, 4, 5, 10, 20, 101, 151, 202, 302, 404, 505, 604, 751, 755, 1010, 1502, 1510, 2020, 3004, 3020, 3755, 7510, 15020, 15251, 30502, 61004, 75851, 76255, 113401, 151702, 152510, 226802, 303404, 305020, 379255, 453604, 567005, 758510, 1134010, 1517020, 2268020, 11453501, 22907002, 45814004, 57267505, 114535010, 229070020]

約数ペア:

[(1, 229070020), (2, 114535010), (4, 57267505), (5, 45814004), (10, 22907002), (20, 11453501), (101, 2268020), (151, 1517020), (202, 1134010), (302, 758510), (404, 567005), (505, 453604), (604, 379255), (751, 305020), (755, 303404), (1010, 226802), (1502, 152510), (1510, 151702), (2020, 113401), (3004, 76255), (3020, 75851), (3755, 61004), (7510, 30502), (15020, 15251)]