908192020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{140587}}^1$

素因数の和:140632

約数の個数: 48

約数和(自身を含む): 2125690560

約数和(自身を除く): 1217498540

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 140587, 281174, 562348, 702935, 1405870, 2389979, 2671153, 2811740, 4779958, 5342306, 9559916, 10684612, 11949895, 13355765, 23899790, 26711530, 45409601, 47799580, 53423060, 90819202, 181638404, 227048005, 454096010, 908192020]

約数ペア:

[(1, 908192020), (2, 454096010), (4, 227048005), (5, 181638404), (10, 90819202), (17, 53423060), (19, 47799580), (20, 45409601), (34, 26711530), (38, 23899790), (68, 13355765), (76, 11949895), (85, 10684612), (95, 9559916), (170, 5342306), (190, 4779958), (323, 2811740), (340, 2671153), (380, 2389979), (646, 1405870), (1292, 702935), (1615, 562348), (3230, 281174), (6460, 140587)]