387434020

素因数分解:

$2^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{14867}}^1$

素因数の和:16179

約数の個数: 24

約数和(自身を含む): 814290624

約数和(自身を除く): 426856604

約数列:

[1, 2, 4, 5, 10, 20, 1303, 2606, 5212, 6515, 13030, 14867, 26060, 29734, 59468, 74335, 148670, 297340, 19371701, 38743402, 77486804, 96858505, 193717010, 387434020]

約数ペア:

[(1, 387434020), (2, 193717010), (4, 96858505), (5, 77486804), (10, 38743402), (20, 19371701), (1303, 297340), (2606, 148670), (5212, 74335), (6515, 59468), (13030, 29734), (14867, 26060)]