138711550

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 266389200

約数和(自身を除く): 127677650

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 149, 215, 298, 430, 433, 745, 866, 1075, 1490, 2150, 2165, 3725, 4330, 6407, 7450, 10825, 12814, 18619, 21650, 32035, 37238, 64070, 64517, 93095, 129034, 160175, 186190, 320350, 322585, 465475, 645170, 930950, 1612925, 2774231, 3225850, 5548462, 13871155, 27742310, 69355775, 138711550]

約数ペア:

[(1, 138711550), (2, 69355775), (5, 27742310), (10, 13871155), (25, 5548462), (43, 3225850), (50, 2774231), (86, 1612925), (149, 930950), (215, 645170), (298, 465475), (430, 322585), (433, 320350), (745, 186190), (866, 160175), (1075, 129034), (1490, 93095), (2150, 64517), (2165, 64070), (3725, 37238), (4330, 32035), (6407, 21650), (7450, 18619), (10825, 12814)]