209439380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7717}}^1$

素因数の和:7808

約数の個数: 48

約数和(自身を含む): 466784640

約数和(自身を除く): 257345260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 92, 115, 118, 230, 236, 295, 460, 590, 1180, 1357, 2714, 5428, 6785, 7717, 13570, 15434, 27140, 30868, 38585, 77170, 154340, 177491, 354982, 455303, 709964, 887455, 910606, 1774910, 1821212, 2276515, 3549820, 4553030, 9106060, 10471969, 20943938, 41887876, 52359845, 104719690, 209439380]

約数ペア:

[(1, 209439380), (2, 104719690), (4, 52359845), (5, 41887876), (10, 20943938), (20, 10471969), (23, 9106060), (46, 4553030), (59, 3549820), (92, 2276515), (115, 1821212), (118, 1774910), (230, 910606), (236, 887455), (295, 709964), (460, 455303), (590, 354982), (1180, 177491), (1357, 154340), (2714, 77170), (5428, 38585), (6785, 30868), (7717, 27140), (13570, 15434)]