489375140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1\times {\mathrm{2221}}^1$

素因数の和:2732

約数の個数: 48

約数和(自身を含む): 1075092480

約数和(自身を除く): 585717340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 479, 958, 1916, 2221, 2395, 4442, 4790, 8884, 9580, 11017, 11105, 22034, 22210, 44068, 44420, 51083, 55085, 102166, 110170, 204332, 220340, 255415, 510830, 1021660, 1063859, 2127718, 4255436, 5319295, 10638590, 21277180, 24468757, 48937514, 97875028, 122343785, 244687570, 489375140]

約数ペア:

[(1, 489375140), (2, 244687570), (4, 122343785), (5, 97875028), (10, 48937514), (20, 24468757), (23, 21277180), (46, 10638590), (92, 5319295), (115, 4255436), (230, 2127718), (460, 1063859), (479, 1021660), (958, 510830), (1916, 255415), (2221, 220340), (2395, 204332), (4442, 110170), (4790, 102166), (8884, 55085), (9580, 51083), (11017, 44420), (11105, 44068), (22034, 22210)]