315021020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1\times {\mathrm{563}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 671696928

約数和(自身を除く): 356675908

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 277, 404, 505, 554, 563, 1010, 1108, 1126, 1385, 2020, 2252, 2770, 2815, 5540, 5630, 11260, 27977, 55954, 56863, 111908, 113726, 139885, 155951, 227452, 279770, 284315, 311902, 559540, 568630, 623804, 779755, 1137260, 1559510, 3119020, 15751051, 31502102, 63004204, 78755255, 157510510, 315021020]

約数ペア:

[(1, 315021020), (2, 157510510), (4, 78755255), (5, 63004204), (10, 31502102), (20, 15751051), (101, 3119020), (202, 1559510), (277, 1137260), (404, 779755), (505, 623804), (554, 568630), (563, 559540), (1010, 311902), (1108, 284315), (1126, 279770), (1385, 227452), (2020, 155951), (2252, 139885), (2770, 113726), (2815, 111908), (5540, 56863), (5630, 55954), (11260, 27977)]