1211891900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{170689}}^1$

素因数の和:170774

約数の個数: 36

約数和(自身を含む): 2666860560

約数和(自身を除く): 1454968660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 170689, 341378, 682756, 853445, 1706890, 3413780, 4267225, 8534450, 12118919, 17068900, 24237838, 48475676, 60594595, 121189190, 242378380, 302972975, 605945950, 1211891900]

約数ペア:

[(1, 1211891900), (2, 605945950), (4, 302972975), (5, 242378380), (10, 121189190), (20, 60594595), (25, 48475676), (50, 24237838), (71, 17068900), (100, 12118919), (142, 8534450), (284, 4267225), (355, 3413780), (710, 1706890), (1420, 853445), (1775, 682756), (3550, 341378), (7100, 170689)]