2760550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 5749632

約数和(自身を除く): 2989082

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 137, 155, 274, 310, 325, 403, 650, 685, 775, 806, 1370, 1550, 1781, 2015, 3425, 3562, 4030, 4247, 6850, 8494, 8905, 10075, 17810, 20150, 21235, 42470, 44525, 55211, 89050, 106175, 110422, 212350, 276055, 552110, 1380275, 2760550]

約数ペア:

[(1, 2760550), (2, 1380275), (5, 552110), (10, 276055), (13, 212350), (25, 110422), (26, 106175), (31, 89050), (50, 55211), (62, 44525), (65, 42470), (130, 21235), (137, 20150), (155, 17810), (274, 10075), (310, 8905), (325, 8494), (403, 6850), (650, 4247), (685, 4030), (775, 3562), (806, 3425), (1370, 2015), (1550, 1781)]