157788117980

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1667}}^1\times {\mathrm{13183}}^1$

素因数の和:15218

約数の個数: 48

約数和(自身を含む): 332502589440

約数和(自身を除く): 174714471460

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1667, 1795, 3334, 3590, 6668, 7180, 8335, 13183, 16670, 26366, 33340, 52732, 65915, 131830, 263660, 598453, 1196906, 2393812, 2992265, 4732697, 5984530, 9465394, 11969060, 18930788, 21976061, 23663485, 43952122, 47326970, 87904244, 94653940, 109880305, 219760610, 439521220, 7889405899, 15778811798, 31557623596, 39447029495, 78894058990, 157788117980]

約数ペア:

[(1, 157788117980), (2, 78894058990), (4, 39447029495), (5, 31557623596), (10, 15778811798), (20, 7889405899), (359, 439521220), (718, 219760610), (1436, 109880305), (1667, 94653940), (1795, 87904244), (3334, 47326970), (3590, 43952122), (6668, 23663485), (7180, 21976061), (8335, 18930788), (13183, 11969060), (16670, 9465394), (26366, 5984530), (33340, 4732697), (52732, 2992265), (65915, 2393812), (131830, 1196906), (263660, 598453)]