90139040

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:382

約数の個数: 96

約数和(自身を含む): 226800000

約数和(自身を除く): 136660960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 149, 152, 160, 190, 199, 298, 304, 380, 398, 596, 608, 745, 760, 796, 995, 1192, 1490, 1520, 1592, 1990, 2384, 2831, 2980, 3040, 3184, 3781, 3980, 4768, 5662, 5960, 6368, 7562, 7960, 11324, 11920, 14155, 15124, 15920, 18905, 22648, 23840, 28310, 29651, 30248, 31840, 37810, 45296, 56620, 59302, 60496, 75620, 90592, 113240, 118604, 120992, 148255, 151240, 226480, 237208, 296510, 302480, 452960, 474416, 563369, 593020, 604960, 948832, 1126738, 1186040, 2253476, 2372080, 2816845, 4506952, 4744160, 5633690, 9013904, 11267380, 18027808, 22534760, 45069520, 90139040]

約数ペア:

[(1, 90139040), (2, 45069520), (4, 22534760), (5, 18027808), (8, 11267380), (10, 9013904), (16, 5633690), (19, 4744160), (20, 4506952), (32, 2816845), (38, 2372080), (40, 2253476), (76, 1186040), (80, 1126738), (95, 948832), (149, 604960), (152, 593020), (160, 563369), (190, 474416), (199, 452960), (298, 302480), (304, 296510), (380, 237208), (398, 226480), (596, 151240), (608, 148255), (745, 120992), (760, 118604), (796, 113240), (995, 90592), (1192, 75620), (1490, 60496), (1520, 59302), (1592, 56620), (1990, 45296), (2384, 37810), (2831, 31840), (2980, 30248), (3040, 29651), (3184, 28310), (3781, 23840), (3980, 22648), (4768, 18905), (5662, 15920), (5960, 15124), (6368, 14155), (7562, 11920), (7960, 11324)]