280984616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1031}}^1$

素因数の和:1230

約数の個数: 64

約数和(自身を含む): 609292800

約数和(自身を除く): 328308184

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 163, 209, 326, 418, 652, 836, 1031, 1304, 1672, 1793, 2062, 3097, 3586, 4124, 6194, 7172, 8248, 11341, 12388, 14344, 19589, 22682, 24776, 34067, 39178, 45364, 68134, 78356, 90728, 136268, 156712, 168053, 215479, 272536, 336106, 430958, 672212, 861916, 1344424, 1723832, 1848583, 3193007, 3697166, 6386014, 7394332, 12772028, 14788664, 25544056, 35123077, 70246154, 140492308, 280984616]

約数ペア:

[(1, 280984616), (2, 140492308), (4, 70246154), (8, 35123077), (11, 25544056), (19, 14788664), (22, 12772028), (38, 7394332), (44, 6386014), (76, 3697166), (88, 3193007), (152, 1848583), (163, 1723832), (209, 1344424), (326, 861916), (418, 672212), (652, 430958), (836, 336106), (1031, 272536), (1304, 215479), (1672, 168053), (1793, 156712), (2062, 136268), (3097, 90728), (3586, 78356), (4124, 68134), (6194, 45364), (7172, 39178), (8248, 34067), (11341, 24776), (12388, 22682), (14344, 19589)]