1241784980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{64609}}^1$

素因数の和:64680

約数の個数: 36

約数和(自身を含む): 2694624660

約数和(自身を除く): 1452839680

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 9610, 19220, 64609, 129218, 258436, 323045, 646090, 1292180, 2002879, 4005758, 8011516, 10014395, 20028790, 40057580, 62089249, 124178498, 248356996, 310446245, 620892490, 1241784980]

約数ペア:

[(1, 1241784980), (2, 620892490), (4, 310446245), (5, 248356996), (10, 124178498), (20, 62089249), (31, 40057580), (62, 20028790), (124, 10014395), (155, 8011516), (310, 4005758), (620, 2002879), (961, 1292180), (1922, 646090), (3844, 323045), (4805, 258436), (9610, 129218), (19220, 64609)]