31306970

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 57576960

約数和(自身を除く): 26269990

約数列:

[1, 2, 5, 10, 101, 139, 202, 223, 278, 446, 505, 695, 1010, 1115, 1390, 2230, 14039, 22523, 28078, 30997, 45046, 61994, 70195, 112615, 140390, 154985, 225230, 309970, 3130697, 6261394, 15653485, 31306970]

約数ペア:

[(1, 31306970), (2, 15653485), (5, 6261394), (10, 3130697), (101, 309970), (139, 225230), (202, 154985), (223, 140390), (278, 112615), (446, 70195), (505, 61994), (695, 45046), (1010, 30997), (1115, 28078), (1390, 22523), (2230, 14039)]