143640280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{513001}}^1$

素因数の和:513019

約数の個数: 32

約数和(自身を含む): 369361440

約数和(自身を除く): 225721160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 513001, 1026002, 2052004, 2565005, 3591007, 4104008, 5130010, 7182014, 10260020, 14364028, 17955035, 20520040, 28728056, 35910070, 71820140, 143640280]

約数ペア:

[(1, 143640280), (2, 71820140), (4, 35910070), (5, 28728056), (7, 20520040), (8, 17955035), (10, 14364028), (14, 10260020), (20, 7182014), (28, 5130010), (35, 4104008), (40, 3591007), (56, 2565005), (70, 2052004), (140, 1026002), (280, 513001)]