485280340

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{148859}}^1$

素因数の和:149031

約数の個数: 24

約数和(自身を含む): 1025347680

約数和(自身を除く): 540067340

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 148859, 297718, 595436, 744295, 1488590, 2977180, 24264017, 48528034, 97056068, 121320085, 242640170, 485280340]

約数ペア:

[(1, 485280340), (2, 242640170), (4, 121320085), (5, 97056068), (10, 48528034), (20, 24264017), (163, 2977180), (326, 1488590), (652, 744295), (815, 595436), (1630, 297718), (3260, 148859)]