490734128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1614257}}^1$

素因数の和:1614284

約数の個数: 20

約数和(自身を含む): 1000839960

約数和(自身を除く): 510105832

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1614257, 3228514, 6457028, 12914056, 25828112, 30670883, 61341766, 122683532, 245367064, 490734128]

約数ペア:

[(1, 490734128), (2, 245367064), (4, 122683532), (8, 61341766), (16, 30670883), (19, 25828112), (38, 12914056), (76, 6457028), (152, 3228514), (304, 1614257)]