2912261980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{19841}}^1$

素因数の和:20070

約数の個数: 48

約数和(自身を含む): 6300231840

約数和(自身を除く): 3387969860

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 179, 205, 358, 410, 716, 820, 895, 1790, 3580, 7339, 14678, 19841, 29356, 36695, 39682, 73390, 79364, 99205, 146780, 198410, 396820, 813481, 1626962, 3253924, 3551539, 4067405, 7103078, 8134810, 14206156, 16269620, 17757695, 35515390, 71030780, 145613099, 291226198, 582452396, 728065495, 1456130990, 2912261980]

約数ペア:

[(1, 2912261980), (2, 1456130990), (4, 728065495), (5, 582452396), (10, 291226198), (20, 145613099), (41, 71030780), (82, 35515390), (164, 17757695), (179, 16269620), (205, 14206156), (358, 8134810), (410, 7103078), (716, 4067405), (820, 3551539), (895, 3253924), (1790, 1626962), (3580, 813481), (7339, 396820), (14678, 198410), (19841, 146780), (29356, 99205), (36695, 79364), (39682, 73390)]