457104854020

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1279}}^1\times {\mathrm{43691}}^1$

素因数の和:45388

約数の個数: 48

約数和(自身を含む): 963041587200

約数和(自身を除く): 505936733180

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1279, 1636, 2045, 2558, 4090, 5116, 6395, 8180, 12790, 25580, 43691, 87382, 174764, 218455, 436910, 523111, 873820, 1046222, 2092444, 2615555, 5231110, 10462220, 17869619, 35739238, 55880789, 71478476, 89348095, 111761578, 178696190, 223523156, 279403945, 357392380, 558807890, 1117615780, 22855242701, 45710485402, 91420970804, 114276213505, 228552427010, 457104854020]

約数ペア:

[(1, 457104854020), (2, 228552427010), (4, 114276213505), (5, 91420970804), (10, 45710485402), (20, 22855242701), (409, 1117615780), (818, 558807890), (1279, 357392380), (1636, 279403945), (2045, 223523156), (2558, 178696190), (4090, 111761578), (5116, 89348095), (6395, 71478476), (8180, 55880789), (12790, 35739238), (25580, 17869619), (43691, 10462220), (87382, 5231110), (174764, 2615555), (218455, 2092444), (436910, 1046222), (523111, 873820)]