202166925

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 342240000

約数和(自身を除く): 140073075

約数列:

[1, 3, 5, 15, 25, 75, 79, 149, 229, 237, 395, 447, 687, 745, 1145, 1185, 1975, 2235, 3435, 3725, 5725, 5925, 11175, 11771, 17175, 18091, 34121, 35313, 54273, 58855, 90455, 102363, 170605, 176565, 271365, 294275, 452275, 511815, 853025, 882825, 1356825, 2559075, 2695559, 8086677, 13477795, 40433385, 67388975, 202166925]

約数ペア:

[(1, 202166925), (3, 67388975), (5, 40433385), (15, 13477795), (25, 8086677), (75, 2695559), (79, 2559075), (149, 1356825), (229, 882825), (237, 853025), (395, 511815), (447, 452275), (687, 294275), (745, 271365), (1145, 176565), (1185, 170605), (1975, 102363), (2235, 90455), (3435, 58855), (3725, 54273), (5725, 35313), (5925, 34121), (11175, 18091), (11771, 17175)]