490928260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{1493}}^1$

素因数の和:1944

約数の個数: 48

約数和(自身を含む): 1059437232

約数和(自身を除く): 568508972

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 401, 410, 802, 820, 1493, 1604, 2005, 2986, 4010, 5972, 7465, 8020, 14930, 16441, 29860, 32882, 61213, 65764, 82205, 122426, 164410, 244852, 306065, 328820, 598693, 612130, 1197386, 1224260, 2394772, 2993465, 5986930, 11973860, 24546413, 49092826, 98185652, 122732065, 245464130, 490928260]

約数ペア:

[(1, 490928260), (2, 245464130), (4, 122732065), (5, 98185652), (10, 49092826), (20, 24546413), (41, 11973860), (82, 5986930), (164, 2993465), (205, 2394772), (401, 1224260), (410, 1197386), (802, 612130), (820, 598693), (1493, 328820), (1604, 306065), (2005, 244852), (2986, 164410), (4010, 122426), (5972, 82205), (7465, 65764), (8020, 61213), (14930, 32882), (16441, 29860)]