198804538220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1611319}}^1$

素因数の和:1611558

約数の個数: 48

約数和(自身を含む): 433122816000

約数和(自身を除く): 234318277780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 199, 310, 398, 620, 796, 995, 1990, 3980, 6169, 12338, 24676, 30845, 61690, 123380, 1611319, 3222638, 6445276, 8056595, 16113190, 32226380, 49950889, 99901778, 199803556, 249754445, 320652481, 499508890, 641304962, 999017780, 1282609924, 1603262405, 3206524810, 6413049620, 9940226911, 19880453822, 39760907644, 49701134555, 99402269110, 198804538220]

約数ペア:

[(1, 198804538220), (2, 99402269110), (4, 49701134555), (5, 39760907644), (10, 19880453822), (20, 9940226911), (31, 6413049620), (62, 3206524810), (124, 1603262405), (155, 1282609924), (199, 999017780), (310, 641304962), (398, 499508890), (620, 320652481), (796, 249754445), (995, 199803556), (1990, 99901778), (3980, 49950889), (6169, 32226380), (12338, 16113190), (24676, 8056595), (30845, 6445276), (61690, 3222638), (123380, 1611319)]