17492980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 37933056

約数和(自身を除く): 20440076

約数列:

[1, 2, 4, 5, 10, 20, 71, 97, 127, 142, 194, 254, 284, 355, 388, 485, 508, 635, 710, 970, 1270, 1420, 1940, 2540, 6887, 9017, 12319, 13774, 18034, 24638, 27548, 34435, 36068, 45085, 49276, 61595, 68870, 90170, 123190, 137740, 180340, 246380, 874649, 1749298, 3498596, 4373245, 8746490, 17492980]

約数ペア:

[(1, 17492980), (2, 8746490), (4, 4373245), (5, 3498596), (10, 1749298), (20, 874649), (71, 246380), (97, 180340), (127, 137740), (142, 123190), (194, 90170), (254, 68870), (284, 61595), (355, 49276), (388, 45085), (485, 36068), (508, 34435), (635, 27548), (710, 24638), (970, 18034), (1270, 13774), (1420, 12319), (1940, 9017), (2540, 6887)]