179389925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 277794720

約数和(自身を除く): 98404795

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 139, 143, 209, 247, 275, 325, 361, 475, 695, 715, 1045, 1235, 1529, 1805, 1807, 2641, 2717, 3475, 3575, 3971, 4693, 5225, 6175, 7645, 9025, 9035, 13205, 13585, 19855, 19877, 23465, 29051, 34333, 38225, 45175, 50179, 51623, 66025, 67925, 99275, 99385, 117325, 145255, 171665, 250895, 258115, 377663, 496925, 551969, 652327, 726275, 858325, 1254475, 1290575, 1888315, 2759845, 3261635, 7175597, 9441575, 13799225, 16308175, 35877985, 179389925]

約数ペア:

[(1, 179389925), (5, 35877985), (11, 16308175), (13, 13799225), (19, 9441575), (25, 7175597), (55, 3261635), (65, 2759845), (95, 1888315), (139, 1290575), (143, 1254475), (209, 858325), (247, 726275), (275, 652327), (325, 551969), (361, 496925), (475, 377663), (695, 258115), (715, 250895), (1045, 171665), (1235, 145255), (1529, 117325), (1805, 99385), (1807, 99275), (2641, 67925), (2717, 66025), (3475, 51623), (3575, 50179), (3971, 45175), (4693, 38225), (5225, 34333), (6175, 29051), (7645, 23465), (9025, 19877), (9035, 19855), (13205, 13585)]