31894280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 78926400

約数和(自身を除く): 47032120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 173, 220, 346, 419, 440, 692, 838, 865, 1384, 1676, 1730, 1903, 2095, 3352, 3460, 3806, 4190, 4609, 6920, 7612, 8380, 9218, 9515, 15224, 16760, 18436, 19030, 23045, 36872, 38060, 46090, 72487, 76120, 92180, 144974, 184360, 289948, 362435, 579896, 724870, 797357, 1449740, 1594714, 2899480, 3189428, 3986785, 6378856, 7973570, 15947140, 31894280]

約数ペア:

[(1, 31894280), (2, 15947140), (4, 7973570), (5, 6378856), (8, 3986785), (10, 3189428), (11, 2899480), (20, 1594714), (22, 1449740), (40, 797357), (44, 724870), (55, 579896), (88, 362435), (110, 289948), (173, 184360), (220, 144974), (346, 92180), (419, 76120), (440, 72487), (692, 46090), (838, 38060), (865, 36872), (1384, 23045), (1676, 19030), (1730, 18436), (1903, 16760), (2095, 15224), (3352, 9515), (3460, 9218), (3806, 8380), (4190, 7612), (4609, 6920)]