128413040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229309}}^1$

素因数の和:229329

約数の個数: 40

約数和(自身を含む): 341213280

約数和(自身を除く): 212800240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 229309, 458618, 917236, 1146545, 1605163, 1834472, 2293090, 3210326, 3668944, 4586180, 6420652, 8025815, 9172360, 12841304, 16051630, 18344720, 25682608, 32103260, 64206520, 128413040]

約数ペア:

[(1, 128413040), (2, 64206520), (4, 32103260), (5, 25682608), (7, 18344720), (8, 16051630), (10, 12841304), (14, 9172360), (16, 8025815), (20, 6420652), (28, 4586180), (35, 3668944), (40, 3210326), (56, 2293090), (70, 1834472), (80, 1605163), (112, 1146545), (140, 917236), (280, 458618), (560, 229309)]