203452390

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{39971}}^1$

素因数の和:40487

約数の個数: 16

約数和(自身を含む): 366942960

約数和(自身を除く): 163490570

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 5090, 39971, 79942, 199855, 399710, 20345239, 40690478, 101726195, 203452390]

約数ペア:

[(1, 203452390), (2, 101726195), (5, 40690478), (10, 20345239), (509, 399710), (1018, 199855), (2545, 79942), (5090, 39971)]