201631491820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{541991}}^1$

素因数の和:542119

約数の個数: 96

約数和(自身を含む): 491695142400

約数和(自身を除く): 290063650580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 89, 95, 110, 178, 190, 209, 220, 356, 380, 418, 445, 836, 890, 979, 1045, 1691, 1780, 1958, 2090, 3382, 3916, 4180, 4895, 6764, 8455, 9790, 16910, 18601, 19580, 33820, 37202, 74404, 93005, 186010, 372020, 541991, 1083982, 2167964, 2709955, 5419910, 5961901, 10297829, 10839820, 11923802, 20595658, 23847604, 29809505, 41191316, 48237199, 51489145, 59619010, 96474398, 102978290, 113276119, 119238020, 192948796, 205956580, 226552238, 241185995, 453104476, 482371990, 530609189, 566380595, 916506781, 964743980, 1061218378, 1132761190, 1833013562, 2122436756, 2265522380, 2653045945, 3666027124, 4582533905, 5306091890, 9165067810, 10081574591, 10612183780, 18330135620, 20163149182, 40326298364, 50407872955, 100815745910, 201631491820]

約数ペア:

[(1, 201631491820), (2, 100815745910), (4, 50407872955), (5, 40326298364), (10, 20163149182), (11, 18330135620), (19, 10612183780), (20, 10081574591), (22, 9165067810), (38, 5306091890), (44, 4582533905), (55, 3666027124), (76, 2653045945), (89, 2265522380), (95, 2122436756), (110, 1833013562), (178, 1132761190), (190, 1061218378), (209, 964743980), (220, 916506781), (356, 566380595), (380, 530609189), (418, 482371990), (445, 453104476), (836, 241185995), (890, 226552238), (979, 205956580), (1045, 192948796), (1691, 119238020), (1780, 113276119), (1958, 102978290), (2090, 96474398), (3382, 59619010), (3916, 51489145), (4180, 48237199), (4895, 41191316), (6764, 29809505), (8455, 23847604), (9790, 20595658), (16910, 11923802), (18601, 10839820), (19580, 10297829), (33820, 5961901), (37202, 5419910), (74404, 2709955), (93005, 2167964), (186010, 1083982), (372020, 541991)]