258783700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{52813}}^1$

素因数の和:52841

約数の個数: 54

約数和(自身を含む): 653256366

約数和(自身を除く): 394472666

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 52813, 105626, 211252, 264065, 369691, 528130, 739382, 1056260, 1320325, 1478764, 1848455, 2587837, 2640650, 3696910, 5175674, 5281300, 7393820, 9242275, 10351348, 12939185, 18484550, 25878370, 36969100, 51756740, 64695925, 129391850, 258783700]

約数ペア:

[(1, 258783700), (2, 129391850), (4, 64695925), (5, 51756740), (7, 36969100), (10, 25878370), (14, 18484550), (20, 12939185), (25, 10351348), (28, 9242275), (35, 7393820), (49, 5281300), (50, 5175674), (70, 3696910), (98, 2640650), (100, 2587837), (140, 1848455), (175, 1478764), (196, 1320325), (245, 1056260), (350, 739382), (490, 528130), (700, 369691), (980, 264065), (1225, 211252), (2450, 105626), (4900, 52813)]