661810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{229}}^1$

素因数の和:270

約数の個数: 24

約数和(自身を含む): 1270980

約数和(自身を除く): 609170

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 229, 289, 458, 578, 1145, 1445, 2290, 2890, 3893, 7786, 19465, 38930, 66181, 132362, 330905, 661810]

約数ペア:

[(1, 661810), (2, 330905), (5, 132362), (10, 66181), (17, 38930), (34, 19465), (85, 7786), (170, 3893), (229, 2890), (289, 2290), (458, 1445), (578, 1145)]