1138660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 2553012

約数和(自身を除く): 1414352

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 289, 340, 394, 578, 788, 985, 1156, 1445, 1970, 2890, 3349, 3940, 5780, 6698, 13396, 16745, 33490, 56933, 66980, 113866, 227732, 284665, 569330, 1138660]

約数ペア:

[(1, 1138660), (2, 569330), (4, 284665), (5, 227732), (10, 113866), (17, 66980), (20, 56933), (34, 33490), (68, 16745), (85, 13396), (170, 6698), (197, 5780), (289, 3940), (340, 3349), (394, 2890), (578, 1970), (788, 1445), (985, 1156)]