490064

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:398

約数の個数: 20

約数和(自身を含む): 961620

約数和(自身を除く): 471556

約数列:

[1, 2, 4, 8, 16, 109, 218, 281, 436, 562, 872, 1124, 1744, 2248, 4496, 30629, 61258, 122516, 245032, 490064]

約数ペア:

[(1, 490064), (2, 245032), (4, 122516), (8, 61258), (16, 30629), (109, 4496), (218, 2248), (281, 1744), (436, 1124), (562, 872)]