2488891420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{8243}}^1$

素因数の和:8770

約数の個数: 48

約数和(自身を含む): 5407008768

約数和(自身を除く): 2918117348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 487, 620, 974, 1948, 2435, 4870, 8243, 9740, 15097, 16486, 30194, 32972, 41215, 60388, 75485, 82430, 150970, 164860, 255533, 301940, 511066, 1022132, 1277665, 2555330, 4014341, 5110660, 8028682, 16057364, 20071705, 40143410, 80286820, 124444571, 248889142, 497778284, 622222855, 1244445710, 2488891420]

約数ペア:

[(1, 2488891420), (2, 1244445710), (4, 622222855), (5, 497778284), (10, 248889142), (20, 124444571), (31, 80286820), (62, 40143410), (124, 20071705), (155, 16057364), (310, 8028682), (487, 5110660), (620, 4014341), (974, 2555330), (1948, 1277665), (2435, 1022132), (4870, 511066), (8243, 301940), (9740, 255533), (15097, 164860), (16486, 150970), (30194, 82430), (32972, 75485), (41215, 60388)]