1890433000

素因数分解:

$2^3\times 5^3\times {\mathrm{97}}^1\times {\mathrm{19489}}^1$

素因数の和:19607

約数の個数: 64

約数和(自身を含む): 4469446800

約数和(自身を除く): 2579013800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 125, 194, 200, 250, 388, 485, 500, 776, 970, 1000, 1940, 2425, 3880, 4850, 9700, 12125, 19400, 19489, 24250, 38978, 48500, 77956, 97000, 97445, 155912, 194890, 389780, 487225, 779560, 974450, 1890433, 1948900, 2436125, 3780866, 3897800, 4872250, 7561732, 9452165, 9744500, 15123464, 18904330, 19489000, 37808660, 47260825, 75617320, 94521650, 189043300, 236304125, 378086600, 472608250, 945216500, 1890433000]

約数ペア:

[(1, 1890433000), (2, 945216500), (4, 472608250), (5, 378086600), (8, 236304125), (10, 189043300), (20, 94521650), (25, 75617320), (40, 47260825), (50, 37808660), (97, 19489000), (100, 18904330), (125, 15123464), (194, 9744500), (200, 9452165), (250, 7561732), (388, 4872250), (485, 3897800), (500, 3780866), (776, 2436125), (970, 1948900), (1000, 1890433), (1940, 974450), (2425, 779560), (3880, 487225), (4850, 389780), (9700, 194890), (12125, 155912), (19400, 97445), (19489, 97000), (24250, 77956), (38978, 48500)]