198950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:208

約数の個数: 24

約数和(自身を含む): 388368

約数和(自身を除く): 189418

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 173, 230, 346, 575, 865, 1150, 1730, 3979, 4325, 7958, 8650, 19895, 39790, 99475, 198950]

約数ペア:

[(1, 198950), (2, 99475), (5, 39790), (10, 19895), (23, 8650), (25, 7958), (46, 4325), (50, 3979), (115, 1730), (173, 1150), (230, 865), (346, 575)]