90999160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{324997}}^1$

素因数の和:325015

約数の個数: 32

約数和(自身を含む): 233998560

約数和(自身を除く): 142999400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 324997, 649994, 1299988, 1624985, 2274979, 2599976, 3249970, 4549958, 6499940, 9099916, 11374895, 12999880, 18199832, 22749790, 45499580, 90999160]

約数ペア:

[(1, 90999160), (2, 45499580), (4, 22749790), (5, 18199832), (7, 12999880), (8, 11374895), (10, 9099916), (14, 6499940), (20, 4549958), (28, 3249970), (35, 2599976), (40, 2274979), (56, 1624985), (70, 1299988), (140, 649994), (280, 324997)]