129947240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1031}}^1$

素因数の和:1202

約数の個数: 64

約数和(自身を含む): 307618560

約数和(自身を除く): 177671320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 137, 184, 230, 274, 460, 548, 685, 920, 1031, 1096, 1370, 2062, 2740, 3151, 4124, 5155, 5480, 6302, 8248, 10310, 12604, 15755, 20620, 23713, 25208, 31510, 41240, 47426, 63020, 94852, 118565, 126040, 141247, 189704, 237130, 282494, 474260, 564988, 706235, 948520, 1129976, 1412470, 2824940, 3248681, 5649880, 6497362, 12994724, 16243405, 25989448, 32486810, 64973620, 129947240]

約数ペア:

[(1, 129947240), (2, 64973620), (4, 32486810), (5, 25989448), (8, 16243405), (10, 12994724), (20, 6497362), (23, 5649880), (40, 3248681), (46, 2824940), (92, 1412470), (115, 1129976), (137, 948520), (184, 706235), (230, 564988), (274, 474260), (460, 282494), (548, 237130), (685, 189704), (920, 141247), (1031, 126040), (1096, 118565), (1370, 94852), (2062, 63020), (2740, 47426), (3151, 41240), (4124, 31510), (5155, 25208), (5480, 23713), (6302, 20620), (8248, 15755), (10310, 12604)]