169309160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{69389}}^1$

素因数の和:69461

約数の個数: 32

約数和(自身を含む): 387196200

約数和(自身を除く): 217887040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 69389, 138778, 277556, 346945, 555112, 693890, 1387780, 2775560, 4232729, 8465458, 16930916, 21163645, 33861832, 42327290, 84654580, 169309160]

約数ペア:

[(1, 169309160), (2, 84654580), (4, 42327290), (5, 33861832), (8, 21163645), (10, 16930916), (20, 8465458), (40, 4232729), (61, 2775560), (122, 1387780), (244, 693890), (305, 555112), (488, 346945), (610, 277556), (1220, 138778), (2440, 69389)]