2857890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 8110080

約数和(自身を除く): 5252190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 439, 465, 651, 878, 930, 1085, 1302, 1317, 2170, 2195, 2634, 3073, 3255, 4390, 6146, 6510, 6585, 9219, 13170, 13609, 15365, 18438, 27218, 30730, 40827, 46095, 68045, 81654, 92190, 95263, 136090, 190526, 204135, 285789, 408270, 476315, 571578, 952630, 1428945, 2857890]

約数ペア:

[(1, 2857890), (2, 1428945), (3, 952630), (5, 571578), (6, 476315), (7, 408270), (10, 285789), (14, 204135), (15, 190526), (21, 136090), (30, 95263), (31, 92190), (35, 81654), (42, 68045), (62, 46095), (70, 40827), (93, 30730), (105, 27218), (155, 18438), (186, 15365), (210, 13609), (217, 13170), (310, 9219), (434, 6585), (439, 6510), (465, 6146), (651, 4390), (878, 3255), (930, 3073), (1085, 2634), (1302, 2195), (1317, 2170)]