89796760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 210600000

約数和(自身を除く): 120803240

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 199, 232, 290, 389, 398, 580, 778, 796, 995, 1160, 1556, 1592, 1945, 1990, 3112, 3890, 3980, 5771, 7780, 7960, 11281, 11542, 15560, 22562, 23084, 28855, 45124, 46168, 56405, 57710, 77411, 90248, 112810, 115420, 154822, 225620, 230840, 309644, 387055, 451240, 619288, 774110, 1548220, 2244919, 3096440, 4489838, 8979676, 11224595, 17959352, 22449190, 44898380, 89796760]

約数ペア:

[(1, 89796760), (2, 44898380), (4, 22449190), (5, 17959352), (8, 11224595), (10, 8979676), (20, 4489838), (29, 3096440), (40, 2244919), (58, 1548220), (116, 774110), (145, 619288), (199, 451240), (232, 387055), (290, 309644), (389, 230840), (398, 225620), (580, 154822), (778, 115420), (796, 112810), (995, 90248), (1160, 77411), (1556, 57710), (1592, 56405), (1945, 46168), (1990, 45124), (3112, 28855), (3890, 23084), (3980, 22562), (5771, 15560), (7780, 11542), (7960, 11281)]