289340425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1049}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 421848000

約数和(自身を除く): 132507575

約数列:

[1, 5, 11, 17, 25, 55, 59, 85, 187, 275, 295, 425, 649, 935, 1003, 1049, 1475, 3245, 4675, 5015, 5245, 11033, 11539, 16225, 17833, 25075, 26225, 55165, 57695, 61891, 89165, 196163, 275825, 288475, 309455, 445825, 680801, 980815, 1052147, 1547275, 3404005, 4904075, 5260735, 11573617, 17020025, 26303675, 57868085, 289340425]

約数ペア:

[(1, 289340425), (5, 57868085), (11, 26303675), (17, 17020025), (25, 11573617), (55, 5260735), (59, 4904075), (85, 3404005), (187, 1547275), (275, 1052147), (295, 980815), (425, 680801), (649, 445825), (935, 309455), (1003, 288475), (1049, 275825), (1475, 196163), (3245, 89165), (4675, 61891), (5015, 57695), (5245, 55165), (11033, 26225), (11539, 25075), (16225, 17833)]