220335856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:606

約数の個数: 80

約数和(自身を含む): 488857600

約数和(自身を除く): 268521744

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 127, 152, 208, 247, 254, 304, 439, 494, 508, 878, 988, 1016, 1651, 1756, 1976, 2032, 2413, 3302, 3512, 3952, 4826, 5707, 6604, 7024, 8341, 9652, 11414, 13208, 16682, 19304, 22828, 26416, 31369, 33364, 38608, 45656, 55753, 62738, 66728, 91312, 108433, 111506, 125476, 133456, 216866, 223012, 250952, 433732, 446024, 501904, 724789, 867464, 892048, 1059307, 1449578, 1734928, 2118614, 2899156, 4237228, 5798312, 8474456, 11596624, 13770991, 16948912, 27541982, 55083964, 110167928, 220335856]

約数ペア:

[(1, 220335856), (2, 110167928), (4, 55083964), (8, 27541982), (13, 16948912), (16, 13770991), (19, 11596624), (26, 8474456), (38, 5798312), (52, 4237228), (76, 2899156), (104, 2118614), (127, 1734928), (152, 1449578), (208, 1059307), (247, 892048), (254, 867464), (304, 724789), (439, 501904), (494, 446024), (508, 433732), (878, 250952), (988, 223012), (1016, 216866), (1651, 133456), (1756, 125476), (1976, 111506), (2032, 108433), (2413, 91312), (3302, 66728), (3512, 62738), (3952, 55753), (4826, 45656), (5707, 38608), (6604, 33364), (7024, 31369), (8341, 26416), (9652, 22828), (11414, 19304), (13208, 16682)]