7139720620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1319}}^1\times {\mathrm{3041}}^1$

素因数の和:4458

約数の個数: 48

約数和(自身を含む): 15178363200

約数和(自身を除く): 8038642580

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1319, 1780, 2638, 3041, 5276, 6082, 6595, 12164, 13190, 15205, 26380, 30410, 60820, 117391, 234782, 270649, 469564, 541298, 586955, 1082596, 1173910, 1353245, 2347820, 2706490, 4011079, 5412980, 8022158, 16044316, 20055395, 40110790, 80221580, 356986031, 713972062, 1427944124, 1784930155, 3569860310, 7139720620]

約数ペア:

[(1, 7139720620), (2, 3569860310), (4, 1784930155), (5, 1427944124), (10, 713972062), (20, 356986031), (89, 80221580), (178, 40110790), (356, 20055395), (445, 16044316), (890, 8022158), (1319, 5412980), (1780, 4011079), (2638, 2706490), (3041, 2347820), (5276, 1353245), (6082, 1173910), (6595, 1082596), (12164, 586955), (13190, 541298), (15205, 469564), (26380, 270649), (30410, 234782), (60820, 117391)]