4921980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11719}}^1$

素因数の和:11738

約数の個数: 48

約数和(自身を含む): 15751680

約数和(自身を除く): 10829700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 11719, 23438, 35157, 46876, 58595, 70314, 82033, 117190, 140628, 164066, 175785, 234380, 246099, 328132, 351570, 410165, 492198, 703140, 820330, 984396, 1230495, 1640660, 2460990, 4921980]

約数ペア:

[(1, 4921980), (2, 2460990), (3, 1640660), (4, 1230495), (5, 984396), (6, 820330), (7, 703140), (10, 492198), (12, 410165), (14, 351570), (15, 328132), (20, 246099), (21, 234380), (28, 175785), (30, 164066), (35, 140628), (42, 117190), (60, 82033), (70, 70314), (84, 58595), (105, 46876), (140, 35157), (210, 23438), (420, 11719)]