2021581660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{142969}}^1$

素因数の和:143086

約数の個数: 48

約数和(自身を含む): 4899867840

約数和(自身を除く): 2878286180

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, 14140, 142969, 285938, 571876, 714845, 1000783, 1429690, 2001566, 2859380, 4003132, 5003915, 10007830, 14439869, 20015660, 28879738, 57759476, 72199345, 101079083, 144398690, 202158166, 288797380, 404316332, 505395415, 1010790830, 2021581660]

約数ペア:

[(1, 2021581660), (2, 1010790830), (4, 505395415), (5, 404316332), (7, 288797380), (10, 202158166), (14, 144398690), (20, 101079083), (28, 72199345), (35, 57759476), (70, 28879738), (101, 20015660), (140, 14439869), (202, 10007830), (404, 5003915), (505, 4003132), (707, 2859380), (1010, 2001566), (1414, 1429690), (2020, 1000783), (2828, 714845), (3535, 571876), (7070, 285938), (14140, 142969)]