209120810

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{342821}}^1$

素因数の和:342889

約数の個数: 16

約数和(自身を含む): 382589352

約数和(自身を除く): 173468542

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 342821, 685642, 1714105, 3428210, 20912081, 41824162, 104560405, 209120810]

約数ペア:

[(1, 209120810), (2, 104560405), (5, 41824162), (10, 20912081), (61, 3428210), (122, 1714105), (305, 685642), (610, 342821)]