490352

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1613}}^1$

素因数の和:1640

約数の個数: 20

約数和(自身を含む): 1000680

約数和(自身を除く): 510328

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1613, 3226, 6452, 12904, 25808, 30647, 61294, 122588, 245176, 490352]

約数ペア:

[(1, 490352), (2, 245176), (4, 122588), (8, 61294), (16, 30647), (19, 25808), (38, 12904), (76, 6452), (152, 3226), (304, 1613)]