438656860

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{80933}}^1$

素因数の和:81213

約数の個数: 24

約数和(自身を含む): 924590016

約数和(自身を除く): 485933156

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 80933, 161866, 323732, 404665, 809330, 1618660, 21932843, 43865686, 87731372, 109664215, 219328430, 438656860]

約数ペア:

[(1, 438656860), (2, 219328430), (4, 109664215), (5, 87731372), (10, 43865686), (20, 21932843), (271, 1618660), (542, 809330), (1084, 404665), (1355, 323732), (2710, 161866), (5420, 80933)]