28287070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4001}}^1$

素因数の和:4116

約数の個数: 32

約数和(自身を含む): 58781376

約数和(自身を除く): 30494306

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3535, 4001, 7070, 8002, 20005, 28007, 40010, 56014, 140035, 280070, 404101, 808202, 2020505, 2828707, 4041010, 5657414, 14143535, 28287070]

約数ペア:

[(1, 28287070), (2, 14143535), (5, 5657414), (7, 4041010), (10, 2828707), (14, 2020505), (35, 808202), (70, 404101), (101, 280070), (202, 140035), (505, 56014), (707, 40010), (1010, 28007), (1414, 20005), (3535, 8002), (4001, 7070)]