8942570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 20514816

約数和(自身を除く): 11572246

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 317, 403, 434, 455, 634, 806, 910, 1085, 1585, 2015, 2170, 2219, 2821, 3170, 4030, 4121, 4438, 5642, 8242, 9827, 11095, 14105, 19654, 20605, 22190, 28210, 28847, 41210, 49135, 57694, 68789, 98270, 127751, 137578, 144235, 255502, 288470, 343945, 638755, 687890, 894257, 1277510, 1788514, 4471285, 8942570]

約数ペア:

[(1, 8942570), (2, 4471285), (5, 1788514), (7, 1277510), (10, 894257), (13, 687890), (14, 638755), (26, 343945), (31, 288470), (35, 255502), (62, 144235), (65, 137578), (70, 127751), (91, 98270), (130, 68789), (155, 57694), (182, 49135), (217, 41210), (310, 28847), (317, 28210), (403, 22190), (434, 20605), (455, 19654), (634, 14105), (806, 11095), (910, 9827), (1085, 8242), (1585, 5642), (2015, 4438), (2170, 4121), (2219, 4030), (2821, 3170)]