31933480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 76826880

約数和(自身を除く): 44893400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 151, 170, 302, 311, 340, 604, 622, 680, 755, 1208, 1244, 1510, 1555, 2488, 2567, 3020, 3110, 5134, 5287, 6040, 6220, 10268, 10574, 12440, 12835, 20536, 21148, 25670, 26435, 42296, 46961, 51340, 52870, 93922, 102680, 105740, 187844, 211480, 234805, 375688, 469610, 798337, 939220, 1596674, 1878440, 3193348, 3991685, 6386696, 7983370, 15966740, 31933480]

約数ペア:

[(1, 31933480), (2, 15966740), (4, 7983370), (5, 6386696), (8, 3991685), (10, 3193348), (17, 1878440), (20, 1596674), (34, 939220), (40, 798337), (68, 469610), (85, 375688), (136, 234805), (151, 211480), (170, 187844), (302, 105740), (311, 102680), (340, 93922), (604, 52870), (622, 51340), (680, 46961), (755, 42296), (1208, 26435), (1244, 25670), (1510, 21148), (1555, 20536), (2488, 12835), (2567, 12440), (3020, 10574), (3110, 10268), (5134, 6220), (5287, 6040)]