278319730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{9349}}^1$

素因数の和:9598

約数の個数: 32

約数和(自身を含む): 541926000

約数和(自身を除く): 263606270

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 229, 458, 1145, 2290, 2977, 5954, 9349, 14885, 18698, 29770, 46745, 93490, 121537, 243074, 607685, 1215370, 2140921, 4281842, 10704605, 21409210, 27831973, 55663946, 139159865, 278319730]

約数ペア:

[(1, 278319730), (2, 139159865), (5, 55663946), (10, 27831973), (13, 21409210), (26, 10704605), (65, 4281842), (130, 2140921), (229, 1215370), (458, 607685), (1145, 243074), (2290, 121537), (2977, 93490), (5954, 46745), (9349, 29770), (14885, 18698)]