272084740

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 579600000

約数和(自身を除く): 307515260

約数列:

[1, 2, 4, 5, 10, 20, 137, 199, 274, 398, 499, 548, 685, 796, 995, 998, 1370, 1990, 1996, 2495, 2740, 3980, 4990, 9980, 27263, 54526, 68363, 99301, 109052, 136315, 136726, 198602, 272630, 273452, 341815, 397204, 496505, 545260, 683630, 993010, 1367260, 1986020, 13604237, 27208474, 54416948, 68021185, 136042370, 272084740]

約数ペア:

[(1, 272084740), (2, 136042370), (4, 68021185), (5, 54416948), (10, 27208474), (20, 13604237), (137, 1986020), (199, 1367260), (274, 993010), (398, 683630), (499, 545260), (548, 496505), (685, 397204), (796, 341815), (995, 273452), (998, 272630), (1370, 198602), (1990, 136726), (1996, 136315), (2495, 109052), (2740, 99301), (3980, 68363), (4990, 54526), (9980, 27263)]