4851980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{4951}}^1$

素因数の和:4974

約数の個数: 36

約数和(自身を含む): 11855088

約数和(自身を除く): 7003108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 4951, 9902, 19804, 24755, 34657, 49510, 69314, 99020, 138628, 173285, 242599, 346570, 485198, 693140, 970396, 1212995, 2425990, 4851980]

約数ペア:

[(1, 4851980), (2, 2425990), (4, 1212995), (5, 970396), (7, 693140), (10, 485198), (14, 346570), (20, 242599), (28, 173285), (35, 138628), (49, 99020), (70, 69314), (98, 49510), (140, 34657), (196, 24755), (245, 19804), (490, 9902), (980, 4951)]