2640890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1217}}^1$

素因数の和:1262

約数の個数: 32

約数和(自身を含む): 5612544

約数和(自身を除く): 2971654

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 1217, 2170, 2434, 6085, 8519, 12170, 17038, 37727, 42595, 75454, 85190, 188635, 264089, 377270, 528178, 1320445, 2640890]

約数ペア:

[(1, 2640890), (2, 1320445), (5, 528178), (7, 377270), (10, 264089), (14, 188635), (31, 85190), (35, 75454), (62, 42595), (70, 37727), (155, 17038), (217, 12170), (310, 8519), (434, 6085), (1085, 2434), (1217, 2170)]