204051640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1087}}^1$

素因数の和:1149

約数の個数: 96

約数和(自身を含む): 522305280

約数和(自身を除く): 318253640

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 361, 380, 494, 520, 722, 760, 988, 1087, 1235, 1444, 1805, 1976, 2174, 2470, 2888, 3610, 4348, 4693, 4940, 5435, 7220, 8696, 9386, 9880, 10870, 14131, 14440, 18772, 20653, 21740, 23465, 28262, 37544, 41306, 43480, 46930, 56524, 70655, 82612, 93860, 103265, 113048, 141310, 165224, 187720, 206530, 268489, 282620, 392407, 413060, 536978, 565240, 784814, 826120, 1073956, 1342445, 1569628, 1962035, 2147912, 2684890, 3139256, 3924070, 5101291, 5369780, 7848140, 10202582, 10739560, 15696280, 20405164, 25506455, 40810328, 51012910, 102025820, 204051640]

約数ペア:

[(1, 204051640), (2, 102025820), (4, 51012910), (5, 40810328), (8, 25506455), (10, 20405164), (13, 15696280), (19, 10739560), (20, 10202582), (26, 7848140), (38, 5369780), (40, 5101291), (52, 3924070), (65, 3139256), (76, 2684890), (95, 2147912), (104, 1962035), (130, 1569628), (152, 1342445), (190, 1073956), (247, 826120), (260, 784814), (361, 565240), (380, 536978), (494, 413060), (520, 392407), (722, 282620), (760, 268489), (988, 206530), (1087, 187720), (1235, 165224), (1444, 141310), (1805, 113048), (1976, 103265), (2174, 93860), (2470, 82612), (2888, 70655), (3610, 56524), (4348, 46930), (4693, 43480), (4940, 41306), (5435, 37544), (7220, 28262), (8696, 23465), (9386, 21740), (9880, 20653), (10870, 18772), (14131, 14440)]