30955925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1237}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 51580032

約数和(自身を除く): 20624107

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 715, 1001, 1237, 1925, 2275, 3575, 5005, 6185, 8659, 13607, 16081, 25025, 30925, 43295, 68035, 80405, 95249, 112567, 176891, 216475, 340175, 402025, 476245, 562835, 884455, 1238237, 2381225, 2814175, 4422275, 6191185, 30955925]

約数ペア:

[(1, 30955925), (5, 6191185), (7, 4422275), (11, 2814175), (13, 2381225), (25, 1238237), (35, 884455), (55, 562835), (65, 476245), (77, 402025), (91, 340175), (143, 216475), (175, 176891), (275, 112567), (325, 95249), (385, 80405), (455, 68035), (715, 43295), (1001, 30925), (1237, 25025), (1925, 16081), (2275, 13607), (3575, 8659), (5005, 6185)]