813842360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1091}}^1\times {\mathrm{1097}}^1$

素因数の和:2216

約数の個数: 64

約数和(自身を含む): 1942405920

約数和(自身を除く): 1128563560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1091, 1097, 2182, 2194, 4364, 4388, 5455, 5485, 8728, 8776, 10910, 10970, 18547, 18649, 21820, 21940, 37094, 37298, 43640, 43880, 74188, 74596, 92735, 93245, 148376, 149192, 185470, 186490, 370940, 372980, 741880, 745960, 1196827, 2393654, 4787308, 5984135, 9574616, 11968270, 20346059, 23936540, 40692118, 47873080, 81384236, 101730295, 162768472, 203460590, 406921180, 813842360]

約数ペア:

[(1, 813842360), (2, 406921180), (4, 203460590), (5, 162768472), (8, 101730295), (10, 81384236), (17, 47873080), (20, 40692118), (34, 23936540), (40, 20346059), (68, 11968270), (85, 9574616), (136, 5984135), (170, 4787308), (340, 2393654), (680, 1196827), (1091, 745960), (1097, 741880), (2182, 372980), (2194, 370940), (4364, 186490), (4388, 185470), (5455, 149192), (5485, 148376), (8728, 93245), (8776, 92735), (10910, 74596), (10970, 74188), (18547, 43880), (18649, 43640), (21820, 37298), (21940, 37094)]