8989130

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 16934400

約数和(自身を除く): 7945270

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 223, 278, 290, 446, 695, 1115, 1390, 2230, 4031, 6467, 8062, 12934, 20155, 30997, 32335, 40310, 61994, 64670, 154985, 309970, 898913, 1797826, 4494565, 8989130]

約数ペア:

[(1, 8989130), (2, 4494565), (5, 1797826), (10, 898913), (29, 309970), (58, 154985), (139, 64670), (145, 61994), (223, 40310), (278, 32335), (290, 30997), (446, 20155), (695, 12934), (1115, 8062), (1390, 6467), (2230, 4031)]