39855900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{18979}}^1$

素因数の和:19003

約数の個数: 72

約数和(自身を含む): 131797120

約数和(自身を除く): 91941220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 18979, 37958, 56937, 75916, 94895, 113874, 132853, 189790, 227748, 265706, 284685, 379580, 398559, 474475, 531412, 569370, 664265, 797118, 948950, 1138740, 1328530, 1423425, 1594236, 1897900, 1992795, 2657060, 2846850, 3321325, 3985590, 5693700, 6642650, 7971180, 9963975, 13285300, 19927950, 39855900]

約数ペア:

[(1, 39855900), (2, 19927950), (3, 13285300), (4, 9963975), (5, 7971180), (6, 6642650), (7, 5693700), (10, 3985590), (12, 3321325), (14, 2846850), (15, 2657060), (20, 1992795), (21, 1897900), (25, 1594236), (28, 1423425), (30, 1328530), (35, 1138740), (42, 948950), (50, 797118), (60, 664265), (70, 569370), (75, 531412), (84, 474475), (100, 398559), (105, 379580), (140, 284685), (150, 265706), (175, 227748), (210, 189790), (300, 132853), (350, 113874), (420, 94895), (525, 75916), (700, 56937), (1050, 37958), (2100, 18979)]