428887480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{49411}}^1$

素因数の和:49460

約数の個数: 64

約数和(自身を含む): 1138452480

約数和(自身を除く): 709565000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 49411, 98822, 197644, 247055, 345877, 395288, 494110, 691754, 988220, 1383508, 1531741, 1729385, 1976440, 2767016, 3063482, 3458770, 6126964, 6917540, 7658705, 10722187, 12253928, 13835080, 15317410, 21444374, 30634820, 42888748, 53610935, 61269640, 85777496, 107221870, 214443740, 428887480]

約数ペア:

[(1, 428887480), (2, 214443740), (4, 107221870), (5, 85777496), (7, 61269640), (8, 53610935), (10, 42888748), (14, 30634820), (20, 21444374), (28, 15317410), (31, 13835080), (35, 12253928), (40, 10722187), (56, 7658705), (62, 6917540), (70, 6126964), (124, 3458770), (140, 3063482), (155, 2767016), (217, 1976440), (248, 1729385), (280, 1531741), (310, 1383508), (434, 988220), (620, 691754), (868, 494110), (1085, 395288), (1240, 345877), (1736, 247055), (2170, 197644), (4340, 98822), (8680, 49411)]