291681770

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{941}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 531740160

約数和(自身を除く): 240058390

約数列:

[1, 2, 5, 10, 139, 223, 278, 446, 695, 941, 1115, 1390, 1882, 2230, 4705, 9410, 30997, 61994, 130799, 154985, 209843, 261598, 309970, 419686, 653995, 1049215, 1307990, 2098430, 29168177, 58336354, 145840885, 291681770]

約数ペア:

[(1, 291681770), (2, 145840885), (5, 58336354), (10, 29168177), (139, 2098430), (223, 1307990), (278, 1049215), (446, 653995), (695, 419686), (941, 309970), (1115, 261598), (1390, 209843), (1882, 154985), (2230, 130799), (4705, 61994), (9410, 30997)]