398120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 923400

約数和(自身を除く): 525280

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 269, 296, 370, 538, 740, 1076, 1345, 1480, 2152, 2690, 5380, 9953, 10760, 19906, 39812, 49765, 79624, 99530, 199060, 398120]

約数ペア:

[(1, 398120), (2, 199060), (4, 99530), (5, 79624), (8, 49765), (10, 39812), (20, 19906), (37, 10760), (40, 9953), (74, 5380), (148, 2690), (185, 2152), (269, 1480), (296, 1345), (370, 1076), (538, 740)]