218621360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{160751}}^1$

素因数の和:160781

約数の個数: 40

約数和(自身を含む): 538197696

約数和(自身を除く): 319576336

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 160751, 321502, 643004, 803755, 1286008, 1607510, 2572016, 2732767, 3215020, 5465534, 6430040, 10931068, 12860080, 13663835, 21862136, 27327670, 43724272, 54655340, 109310680, 218621360]

約数ペア:

[(1, 218621360), (2, 109310680), (4, 54655340), (5, 43724272), (8, 27327670), (10, 21862136), (16, 13663835), (17, 12860080), (20, 10931068), (34, 6430040), (40, 5465534), (68, 3215020), (80, 2732767), (85, 2572016), (136, 1607510), (170, 1286008), (272, 803755), (340, 643004), (680, 321502), (1360, 160751)]