4138225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 6749568

約数和(自身を除く): 2611343

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 107, 119, 175, 221, 325, 425, 455, 535, 595, 749, 1105, 1391, 1547, 1819, 2275, 2675, 2975, 3745, 5525, 6955, 7735, 9095, 9737, 12733, 18725, 23647, 34775, 38675, 45475, 48685, 63665, 118235, 165529, 243425, 318325, 591175, 827645, 4138225]

約数ペア:

[(1, 4138225), (5, 827645), (7, 591175), (13, 318325), (17, 243425), (25, 165529), (35, 118235), (65, 63665), (85, 48685), (91, 45475), (107, 38675), (119, 34775), (175, 23647), (221, 18725), (325, 12733), (425, 9737), (455, 9095), (535, 7735), (595, 6955), (749, 5525), (1105, 3745), (1391, 2975), (1547, 2675), (1819, 2275)]