291209060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{3319}}^1$

素因数の和:3476

約数の個数: 48

約数和(自身を含む): 632499840

約数和(自身を除く): 341290780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 107, 164, 205, 214, 410, 428, 535, 820, 1070, 2140, 3319, 4387, 6638, 8774, 13276, 16595, 17548, 21935, 33190, 43870, 66380, 87740, 136079, 272158, 355133, 544316, 680395, 710266, 1360790, 1420532, 1775665, 2721580, 3551330, 7102660, 14560453, 29120906, 58241812, 72802265, 145604530, 291209060]

約数ペア:

[(1, 291209060), (2, 145604530), (4, 72802265), (5, 58241812), (10, 29120906), (20, 14560453), (41, 7102660), (82, 3551330), (107, 2721580), (164, 1775665), (205, 1420532), (214, 1360790), (410, 710266), (428, 680395), (535, 544316), (820, 355133), (1070, 272158), (2140, 136079), (3319, 87740), (4387, 66380), (6638, 43870), (8774, 33190), (13276, 21935), (16595, 17548)]