490291210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{7759}}^1$

素因数の和:7926

約数の個数: 32

約数和(自身を含む): 905126400

約数和(自身を除く): 414835190

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 355, 445, 710, 890, 6319, 7759, 12638, 15518, 31595, 38795, 63190, 77590, 550889, 690551, 1101778, 1381102, 2754445, 3452755, 5508890, 6905510, 49029121, 98058242, 245145605, 490291210]

約数ペア:

[(1, 490291210), (2, 245145605), (5, 98058242), (10, 49029121), (71, 6905510), (89, 5508890), (142, 3452755), (178, 2754445), (355, 1381102), (445, 1101778), (710, 690551), (890, 550889), (6319, 77590), (7759, 63190), (12638, 38795), (15518, 31595)]