870458140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2560171}}^1$

素因数の和:2560197

約数の個数: 24

約数和(自身を含む): 1935490032

約数和(自身を除く): 1065031892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2560171, 5120342, 10240684, 12800855, 25601710, 43522907, 51203420, 87045814, 174091628, 217614535, 435229070, 870458140]

約数ペア:

[(1, 870458140), (2, 435229070), (4, 217614535), (5, 174091628), (10, 87045814), (17, 51203420), (20, 43522907), (34, 25601710), (68, 12800855), (85, 10240684), (170, 5120342), (340, 2560171)]