205085660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 480927552

約数和(自身を除く): 275841892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 67, 122, 130, 134, 193, 244, 260, 268, 305, 335, 386, 610, 670, 772, 793, 871, 965, 1220, 1340, 1586, 1742, 1930, 2509, 3172, 3484, 3860, 3965, 4087, 4355, 5018, 7930, 8174, 8710, 10036, 11773, 12545, 12931, 15860, 16348, 17420, 20435, 23546, 25090, 25862, 40870, 47092, 50180, 51724, 53131, 58865, 64655, 81740, 106262, 117730, 129310, 153049, 168103, 212524, 235460, 258620, 265655, 306098, 336206, 531310, 612196, 672412, 765245, 788791, 840515, 1062620, 1530490, 1577582, 1681030, 3060980, 3155164, 3362060, 3943955, 7887910, 10254283, 15775820, 20508566, 41017132, 51271415, 102542830, 205085660]

約数ペア:

[(1, 205085660), (2, 102542830), (4, 51271415), (5, 41017132), (10, 20508566), (13, 15775820), (20, 10254283), (26, 7887910), (52, 3943955), (61, 3362060), (65, 3155164), (67, 3060980), (122, 1681030), (130, 1577582), (134, 1530490), (193, 1062620), (244, 840515), (260, 788791), (268, 765245), (305, 672412), (335, 612196), (386, 531310), (610, 336206), (670, 306098), (772, 265655), (793, 258620), (871, 235460), (965, 212524), (1220, 168103), (1340, 153049), (1586, 129310), (1742, 117730), (1930, 106262), (2509, 81740), (3172, 64655), (3484, 58865), (3860, 53131), (3965, 51724), (4087, 50180), (4355, 47092), (5018, 40870), (7930, 25862), (8174, 25090), (8710, 23546), (10036, 20435), (11773, 17420), (12545, 16348), (12931, 15860)]