71366660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1723}}^1$

素因数の和:1860

約数の個数: 48

約数和(自身を含む): 159297600

約数和(自身を除く): 87930940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 1723, 2071, 2180, 3446, 4142, 6892, 8284, 8615, 10355, 17230, 20710, 32737, 34460, 41420, 65474, 130948, 163685, 187807, 327370, 375614, 654740, 751228, 939035, 1878070, 3568333, 3756140, 7136666, 14273332, 17841665, 35683330, 71366660]

約数ペア:

[(1, 71366660), (2, 35683330), (4, 17841665), (5, 14273332), (10, 7136666), (19, 3756140), (20, 3568333), (38, 1878070), (76, 939035), (95, 751228), (109, 654740), (190, 375614), (218, 327370), (380, 187807), (436, 163685), (545, 130948), (1090, 65474), (1723, 41420), (2071, 34460), (2180, 32737), (3446, 20710), (4142, 17230), (6892, 10355), (8284, 8615)]