251211350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20341}}^1$

素因数の和:20385

約数の個数: 48

約数和(自身を含む): 529705680

約数和(自身を除く): 278494330

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 2470, 6175, 12350, 20341, 40682, 101705, 203410, 264433, 386479, 508525, 528866, 772958, 1017050, 1322165, 1932395, 2644330, 3864790, 5024227, 6610825, 9661975, 10048454, 13221650, 19323950, 25121135, 50242270, 125605675, 251211350]

約数ペア:

[(1, 251211350), (2, 125605675), (5, 50242270), (10, 25121135), (13, 19323950), (19, 13221650), (25, 10048454), (26, 9661975), (38, 6610825), (50, 5024227), (65, 3864790), (95, 2644330), (130, 1932395), (190, 1322165), (247, 1017050), (325, 772958), (475, 528866), (494, 508525), (650, 386479), (950, 264433), (1235, 203410), (2470, 101705), (6175, 40682), (12350, 20341)]