86954980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{11719}}^1$

素因数の和:11788

約数の個数: 48

約数和(自身を含む): 212647680

約数和(自身を除く): 125692700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 11719, 23438, 46876, 58595, 82033, 117190, 164066, 234380, 328132, 410165, 621107, 820330, 1242214, 1640660, 2484428, 3105535, 4347749, 6211070, 8695498, 12422140, 17390996, 21738745, 43477490, 86954980]

約数ペア:

[(1, 86954980), (2, 43477490), (4, 21738745), (5, 17390996), (7, 12422140), (10, 8695498), (14, 6211070), (20, 4347749), (28, 3105535), (35, 2484428), (53, 1640660), (70, 1242214), (106, 820330), (140, 621107), (212, 410165), (265, 328132), (371, 234380), (530, 164066), (742, 117190), (1060, 82033), (1484, 58595), (1855, 46876), (3710, 23438), (7420, 11719)]