321119860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{263213}}^1$

素因数の和:263283

約数の個数: 24

約数和(自身を含む): 685409256

約数和(自身を除く): 364289396

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 263213, 526426, 1052852, 1316065, 2632130, 5264260, 16055993, 32111986, 64223972, 80279965, 160559930, 321119860]

約数ペア:

[(1, 321119860), (2, 160559930), (4, 80279965), (5, 64223972), (10, 32111986), (20, 16055993), (61, 5264260), (122, 2632130), (244, 1316065), (305, 1052852), (610, 526426), (1220, 263213)]