138535840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:462

約数の個数: 96

約数和(自身を含む): 347760000

約数和(自身を除く): 209224160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 199, 229, 304, 380, 398, 458, 608, 760, 796, 916, 995, 1145, 1520, 1592, 1832, 1990, 2290, 3040, 3184, 3664, 3781, 3980, 4351, 4580, 6368, 7328, 7562, 7960, 8702, 9160, 15124, 15920, 17404, 18320, 18905, 21755, 30248, 31840, 34808, 36640, 37810, 43510, 45571, 60496, 69616, 75620, 87020, 91142, 120992, 139232, 151240, 174040, 182284, 227855, 302480, 348080, 364568, 455710, 604960, 696160, 729136, 865849, 911420, 1458272, 1731698, 1822840, 3463396, 3645680, 4329245, 6926792, 7291360, 8658490, 13853584, 17316980, 27707168, 34633960, 69267920, 138535840]

約数ペア:

[(1, 138535840), (2, 69267920), (4, 34633960), (5, 27707168), (8, 17316980), (10, 13853584), (16, 8658490), (19, 7291360), (20, 6926792), (32, 4329245), (38, 3645680), (40, 3463396), (76, 1822840), (80, 1731698), (95, 1458272), (152, 911420), (160, 865849), (190, 729136), (199, 696160), (229, 604960), (304, 455710), (380, 364568), (398, 348080), (458, 302480), (608, 227855), (760, 182284), (796, 174040), (916, 151240), (995, 139232), (1145, 120992), (1520, 91142), (1592, 87020), (1832, 75620), (1990, 69616), (2290, 60496), (3040, 45571), (3184, 43510), (3664, 37810), (3781, 36640), (3980, 34808), (4351, 31840), (4580, 30248), (6368, 21755), (7328, 18905), (7562, 18320), (7960, 17404), (8702, 15920), (9160, 15124)]