219272080

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{11969}}^1$

素因数の和:12211

約数の個数: 40

約数和(自身を含む): 512076600

約数和(自身を除く): 292804520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 9160, 11969, 18320, 23938, 47876, 59845, 95752, 119690, 191504, 239380, 478760, 957520, 2740901, 5481802, 10963604, 13704505, 21927208, 27409010, 43854416, 54818020, 109636040, 219272080]

約数ペア:

[(1, 219272080), (2, 109636040), (4, 54818020), (5, 43854416), (8, 27409010), (10, 21927208), (16, 13704505), (20, 10963604), (40, 5481802), (80, 2740901), (229, 957520), (458, 478760), (916, 239380), (1145, 191504), (1832, 119690), (2290, 95752), (3664, 59845), (4580, 47876), (9160, 23938), (11969, 18320)]