149776420

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{72707}}^1$

素因数の和:72819

約数の個数: 24

約数和(自身を含む): 317588544

約数和(自身を除く): 167812124

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 72707, 145414, 290828, 363535, 727070, 1454140, 7488821, 14977642, 29955284, 37444105, 74888210, 149776420]

約数ペア:

[(1, 149776420), (2, 74888210), (4, 37444105), (5, 29955284), (10, 14977642), (20, 7488821), (103, 1454140), (206, 727070), (412, 363535), (515, 290828), (1030, 145414), (2060, 72707)]