138590075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 194320896

約数和(自身を除く): 55730821

約数列:

[1, 5, 13, 25, 43, 47, 65, 211, 215, 235, 325, 559, 611, 1055, 1075, 1175, 2021, 2743, 2795, 3055, 5275, 9073, 9917, 10105, 13715, 13975, 15275, 26273, 45365, 49585, 50525, 68575, 117949, 128921, 131365, 226825, 247925, 426431, 589745, 644605, 656825, 2132155, 2948725, 3223025, 5543603, 10660775, 27718015, 138590075]

約数ペア:

[(1, 138590075), (5, 27718015), (13, 10660775), (25, 5543603), (43, 3223025), (47, 2948725), (65, 2132155), (211, 656825), (215, 644605), (235, 589745), (325, 426431), (559, 247925), (611, 226825), (1055, 131365), (1075, 128921), (1175, 117949), (2021, 68575), (2743, 50525), (2795, 49585), (3055, 45365), (5275, 26273), (9073, 15275), (9917, 13975), (10105, 13715)]