438372275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1583}}^1$

素因数の和:1676

約数の個数: 48

約数和(自身を含む): 636387840

約数和(自身を除く): 198015565

約数列:

[1, 5, 11, 19, 25, 53, 55, 95, 209, 265, 275, 475, 583, 1007, 1045, 1325, 1583, 2915, 5035, 5225, 7915, 11077, 14575, 17413, 25175, 30077, 39575, 55385, 83899, 87065, 150385, 276925, 330847, 419495, 435325, 751925, 922889, 1594081, 1654235, 2097475, 4614445, 7970405, 8271175, 17534891, 23072225, 39852025, 87674455, 438372275]

約数ペア:

[(1, 438372275), (5, 87674455), (11, 39852025), (19, 23072225), (25, 17534891), (53, 8271175), (55, 7970405), (95, 4614445), (209, 2097475), (265, 1654235), (275, 1594081), (475, 922889), (583, 751925), (1007, 435325), (1045, 419495), (1325, 330847), (1583, 276925), (2915, 150385), (5035, 87065), (5225, 83899), (7915, 55385), (11077, 39575), (14575, 30077), (17413, 25175)]