3811990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 8709120

約数和(自身を除く): 4897130

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 59, 65, 70, 71, 91, 118, 130, 142, 182, 295, 355, 413, 455, 497, 590, 710, 767, 826, 910, 923, 994, 1534, 1846, 2065, 2485, 3835, 4130, 4189, 4615, 4970, 5369, 6461, 7670, 8378, 9230, 10738, 12922, 20945, 26845, 29323, 32305, 41890, 53690, 54457, 58646, 64610, 108914, 146615, 272285, 293230, 381199, 544570, 762398, 1905995, 3811990]

約数ペア:

[(1, 3811990), (2, 1905995), (5, 762398), (7, 544570), (10, 381199), (13, 293230), (14, 272285), (26, 146615), (35, 108914), (59, 64610), (65, 58646), (70, 54457), (71, 53690), (91, 41890), (118, 32305), (130, 29323), (142, 26845), (182, 20945), (295, 12922), (355, 10738), (413, 9230), (455, 8378), (497, 7670), (590, 6461), (710, 5369), (767, 4970), (826, 4615), (910, 4189), (923, 4130), (994, 3835), (1534, 2485), (1846, 2065)]