2019908900

素因数分解:

$2^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{178753}}^1$

素因数の和:178880

約数の個数: 36

約数和(自身を含む): 4422016452

約数和(自身を除く): 2402107552

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 226, 452, 565, 1130, 2260, 2825, 5650, 11300, 178753, 357506, 715012, 893765, 1787530, 3575060, 4468825, 8937650, 17875300, 20199089, 40398178, 80796356, 100995445, 201990890, 403981780, 504977225, 1009954450, 2019908900]

約数ペア:

[(1, 2019908900), (2, 1009954450), (4, 504977225), (5, 403981780), (10, 201990890), (20, 100995445), (25, 80796356), (50, 40398178), (100, 20199089), (113, 17875300), (226, 8937650), (452, 4468825), (565, 3575060), (1130, 1787530), (2260, 893765), (2825, 715012), (5650, 357506), (11300, 178753)]