71582980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2677}}^1$

素因数の和:2884

約数の個数: 48

約数和(自身を含む): 172763136

約数和(自身を除く): 101180156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 764, 955, 1337, 1910, 2674, 2677, 3820, 5348, 5354, 6685, 10708, 13370, 13385, 18739, 26740, 26770, 37478, 53540, 74956, 93695, 187390, 374780, 511307, 1022614, 2045228, 2556535, 3579149, 5113070, 7158298, 10226140, 14316596, 17895745, 35791490, 71582980]

約数ペア:

[(1, 71582980), (2, 35791490), (4, 17895745), (5, 14316596), (7, 10226140), (10, 7158298), (14, 5113070), (20, 3579149), (28, 2556535), (35, 2045228), (70, 1022614), (140, 511307), (191, 374780), (382, 187390), (764, 93695), (955, 74956), (1337, 53540), (1910, 37478), (2674, 26770), (2677, 26740), (3820, 18739), (5348, 13385), (5354, 13370), (6685, 10708)]