138857250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{26449}}^1$

素因数の和:26476

約数の個数: 64

約数和(自身を含む): 396115200

約数和(自身を除く): 257257950

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 525, 750, 875, 1050, 1750, 2625, 5250, 26449, 52898, 79347, 132245, 158694, 185143, 264490, 370286, 396735, 555429, 661225, 793470, 925715, 1110858, 1322450, 1851430, 1983675, 2777145, 3306125, 3967350, 4628575, 5554290, 6612250, 9257150, 9918375, 13885725, 19836750, 23142875, 27771450, 46285750, 69428625, 138857250]

約数ペア:

[(1, 138857250), (2, 69428625), (3, 46285750), (5, 27771450), (6, 23142875), (7, 19836750), (10, 13885725), (14, 9918375), (15, 9257150), (21, 6612250), (25, 5554290), (30, 4628575), (35, 3967350), (42, 3306125), (50, 2777145), (70, 1983675), (75, 1851430), (105, 1322450), (125, 1110858), (150, 925715), (175, 793470), (210, 661225), (250, 555429), (350, 396735), (375, 370286), (525, 264490), (750, 185143), (875, 158694), (1050, 132245), (1750, 79347), (2625, 52898), (5250, 26449)]