210847720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{86413}}^1$

素因数の和:86485

約数の個数: 32

約数和(自身を含む): 482190120

約数和(自身を除く): 271342400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 86413, 172826, 345652, 432065, 691304, 864130, 1728260, 3456520, 5271193, 10542386, 21084772, 26355965, 42169544, 52711930, 105423860, 210847720]

約数ペア:

[(1, 210847720), (2, 105423860), (4, 52711930), (5, 42169544), (8, 26355965), (10, 21084772), (20, 10542386), (40, 5271193), (61, 3456520), (122, 1728260), (244, 864130), (305, 691304), (488, 432065), (610, 345652), (1220, 172826), (2440, 86413)]