221472580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{5711}}^1$

素因数の和:6004

約数の個数: 48

約数和(自身を含む): 533546496

約数和(自身を除く): 312073916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 1108, 1385, 1939, 2770, 3878, 5540, 5711, 7756, 9695, 11422, 19390, 22844, 28555, 38780, 39977, 57110, 79954, 114220, 159908, 199885, 399770, 799540, 1581947, 3163894, 6327788, 7909735, 11073629, 15819470, 22147258, 31638940, 44294516, 55368145, 110736290, 221472580]

約数ペア:

[(1, 221472580), (2, 110736290), (4, 55368145), (5, 44294516), (7, 31638940), (10, 22147258), (14, 15819470), (20, 11073629), (28, 7909735), (35, 6327788), (70, 3163894), (140, 1581947), (277, 799540), (554, 399770), (1108, 199885), (1385, 159908), (1939, 114220), (2770, 79954), (3878, 57110), (5540, 39977), (5711, 38780), (7756, 28555), (9695, 22844), (11422, 19390)]