9985450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 20445120

約数和(自身を除く): 10459670

約数列:

[1, 2, 5, 10, 19, 23, 25, 38, 46, 50, 95, 115, 190, 230, 437, 457, 475, 575, 874, 914, 950, 1150, 2185, 2285, 4370, 4570, 8683, 10511, 10925, 11425, 17366, 21022, 21850, 22850, 43415, 52555, 86830, 105110, 199709, 217075, 262775, 399418, 434150, 525550, 998545, 1997090, 4992725, 9985450]

約数ペア:

[(1, 9985450), (2, 4992725), (5, 1997090), (10, 998545), (19, 525550), (23, 434150), (25, 399418), (38, 262775), (46, 217075), (50, 199709), (95, 105110), (115, 86830), (190, 52555), (230, 43415), (437, 22850), (457, 21850), (475, 21022), (575, 17366), (874, 11425), (914, 10925), (950, 10511), (1150, 8683), (2185, 4570), (2285, 4370)]