8923160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 21600000

約数和(自身を除く): 12676840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 199, 236, 295, 380, 398, 472, 590, 760, 796, 995, 1121, 1180, 1592, 1990, 2242, 2360, 3781, 3980, 4484, 5605, 7562, 7960, 8968, 11210, 11741, 15124, 18905, 22420, 23482, 30248, 37810, 44840, 46964, 58705, 75620, 93928, 117410, 151240, 223079, 234820, 446158, 469640, 892316, 1115395, 1784632, 2230790, 4461580, 8923160]

約数ペア:

[(1, 8923160), (2, 4461580), (4, 2230790), (5, 1784632), (8, 1115395), (10, 892316), (19, 469640), (20, 446158), (38, 234820), (40, 223079), (59, 151240), (76, 117410), (95, 93928), (118, 75620), (152, 58705), (190, 46964), (199, 44840), (236, 37810), (295, 30248), (380, 23482), (398, 22420), (472, 18905), (590, 15124), (760, 11741), (796, 11210), (995, 8968), (1121, 7960), (1180, 7562), (1592, 5605), (1990, 4484), (2242, 3980), (2360, 3781)]