200728775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{773}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 290231424

約数和(自身を除く): 89502649

約数列:

[1, 5, 13, 17, 25, 47, 65, 85, 221, 235, 325, 425, 611, 773, 799, 1105, 1175, 3055, 3865, 3995, 5525, 10049, 10387, 13141, 15275, 19325, 19975, 36331, 50245, 51935, 65705, 170833, 181655, 251225, 259675, 328525, 472303, 617627, 854165, 908275, 2361515, 3088135, 4270825, 8029151, 11807575, 15440675, 40145755, 200728775]

約数ペア:

[(1, 200728775), (5, 40145755), (13, 15440675), (17, 11807575), (25, 8029151), (47, 4270825), (65, 3088135), (85, 2361515), (221, 908275), (235, 854165), (325, 617627), (425, 472303), (611, 328525), (773, 259675), (799, 251225), (1105, 181655), (1175, 170833), (3055, 65705), (3865, 51935), (3995, 50245), (5525, 36331), (10049, 19975), (10387, 19325), (13141, 15275)]