289233020

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{60509}}^1$

素因数の和:60757

約数の個数: 24

約数和(自身を含む): 609940800

約数和(自身を除く): 320707780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 60509, 121018, 242036, 302545, 605090, 1210180, 14461651, 28923302, 57846604, 72308255, 144616510, 289233020]

約数ペア:

[(1, 289233020), (2, 144616510), (4, 72308255), (5, 57846604), (10, 28923302), (20, 14461651), (239, 1210180), (478, 605090), (956, 302545), (1195, 242036), (2390, 121018), (4780, 60509)]