308059540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{1097}}^1$

素因数の和:1864

約数の個数: 48

約数和(自身を含む): 682516800

約数和(自身を除く): 374457260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 739, 1097, 1478, 2194, 2956, 3695, 4388, 5485, 7390, 10970, 14041, 14780, 20843, 21940, 28082, 41686, 56164, 70205, 83372, 104215, 140410, 208430, 280820, 416860, 810683, 1621366, 3242732, 4053415, 8106830, 15402977, 16213660, 30805954, 61611908, 77014885, 154029770, 308059540]

約数ペア:

[(1, 308059540), (2, 154029770), (4, 77014885), (5, 61611908), (10, 30805954), (19, 16213660), (20, 15402977), (38, 8106830), (76, 4053415), (95, 3242732), (190, 1621366), (380, 810683), (739, 416860), (1097, 280820), (1478, 208430), (2194, 140410), (2956, 104215), (3695, 83372), (4388, 70205), (5485, 56164), (7390, 41686), (10970, 28082), (14041, 21940), (14780, 20843)]