149779160

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{12197}}^1$

素因数の和:12515

約数の個数: 32

約数和(自身を含む): 338128560

約数和(自身を除く): 188349400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12197, 12280, 24394, 48788, 60985, 97576, 121970, 243940, 487880, 3744479, 7488958, 14977916, 18722395, 29955832, 37444790, 74889580, 149779160]

約数ペア:

[(1, 149779160), (2, 74889580), (4, 37444790), (5, 29955832), (8, 18722395), (10, 14977916), (20, 7488958), (40, 3744479), (307, 487880), (614, 243940), (1228, 121970), (1535, 97576), (2456, 60985), (3070, 48788), (6140, 24394), (12197, 12280)]