38819859275

素因数分解:

$5^2\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:877

約数の個数: 72

約数和(自身を含む): 51929689680

約数和(自身を除く): 13109830405

約数列:

[1, 5, 25, 31, 43, 53, 155, 215, 265, 709, 775, 961, 1075, 1325, 1333, 1643, 2279, 3545, 4805, 6665, 8215, 11395, 17725, 21979, 24025, 30487, 33325, 37577, 41075, 41323, 50933, 56975, 70649, 109895, 152435, 187885, 206615, 254665, 353245, 549475, 681349, 762175, 939425, 945097, 1033075, 1164887, 1273325, 1615811, 1766225, 2190119, 3406745, 4725485, 5824435, 8079055, 10950595, 17033725, 23627425, 29122175, 29298007, 36111497, 40395275, 50090141, 54752975, 146490035, 180557485, 250450705, 732450175, 902787425, 1252253525, 1552794371, 7763971855, 38819859275]

約数ペア:

[(1, 38819859275), (5, 7763971855), (25, 1552794371), (31, 1252253525), (43, 902787425), (53, 732450175), (155, 250450705), (215, 180557485), (265, 146490035), (709, 54752975), (775, 50090141), (961, 40395275), (1075, 36111497), (1325, 29298007), (1333, 29122175), (1643, 23627425), (2279, 17033725), (3545, 10950595), (4805, 8079055), (6665, 5824435), (8215, 4725485), (11395, 3406745), (17725, 2190119), (21979, 1766225), (24025, 1615811), (30487, 1273325), (33325, 1164887), (37577, 1033075), (41075, 945097), (41323, 939425), (50933, 762175), (56975, 681349), (70649, 549475), (109895, 353245), (152435, 254665), (187885, 206615)]