2890580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1877}}^1$

素因数の和:1904

約数の個数: 48

約数和(自身を含む): 7572096

約数和(自身を除く): 4681516

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1877, 3754, 7508, 9385, 13139, 18770, 20647, 26278, 37540, 41294, 52556, 65695, 82588, 103235, 131390, 144529, 206470, 262780, 289058, 412940, 578116, 722645, 1445290, 2890580]

約数ペア:

[(1, 2890580), (2, 1445290), (4, 722645), (5, 578116), (7, 412940), (10, 289058), (11, 262780), (14, 206470), (20, 144529), (22, 131390), (28, 103235), (35, 82588), (44, 65695), (55, 52556), (70, 41294), (77, 37540), (110, 26278), (140, 20647), (154, 18770), (220, 13139), (308, 9385), (385, 7508), (770, 3754), (1540, 1877)]