38968780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{379}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 84460320

約数和(自身を除く): 45491540

約数列:

[1, 2, 4, 5, 10, 20, 53, 97, 106, 194, 212, 265, 379, 388, 485, 530, 758, 970, 1060, 1516, 1895, 1940, 3790, 5141, 7580, 10282, 20087, 20564, 25705, 36763, 40174, 51410, 73526, 80348, 100435, 102820, 147052, 183815, 200870, 367630, 401740, 735260, 1948439, 3896878, 7793756, 9742195, 19484390, 38968780]

約数ペア:

[(1, 38968780), (2, 19484390), (4, 9742195), (5, 7793756), (10, 3896878), (20, 1948439), (53, 735260), (97, 401740), (106, 367630), (194, 200870), (212, 183815), (265, 147052), (379, 102820), (388, 100435), (485, 80348), (530, 73526), (758, 51410), (970, 40174), (1060, 36763), (1516, 25705), (1895, 20564), (1940, 20087), (3790, 10282), (5141, 7580)]