128314375

素因数分解:

$5^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:377

約数の個数: 40

約数和(自身を含む): 185440640

約数和(自身を除く): 57126265

約数列:

[1, 5, 7, 25, 35, 125, 139, 175, 211, 625, 695, 875, 973, 1055, 1477, 3475, 4375, 4865, 5275, 7385, 17375, 24325, 26375, 29329, 36925, 86875, 121625, 131875, 146645, 184625, 205303, 608125, 733225, 923125, 1026515, 3666125, 5132575, 18330625, 25662875, 128314375]

約数ペア:

[(1, 128314375), (5, 25662875), (7, 18330625), (25, 5132575), (35, 3666125), (125, 1026515), (139, 923125), (175, 733225), (211, 608125), (625, 205303), (695, 184625), (875, 146645), (973, 131875), (1055, 121625), (1477, 86875), (3475, 36925), (4375, 29329), (4865, 26375), (5275, 24325), (7385, 17375)]