2454590

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{631}}^1$

素因数の和:1027

約数の個数: 16

約数和(自身を含む): 4436640

約数和(自身を除く): 1982050

約数列:

[1, 2, 5, 10, 389, 631, 778, 1262, 1945, 3155, 3890, 6310, 245459, 490918, 1227295, 2454590]

約数ペア:

[(1, 2454590), (2, 1227295), (5, 490918), (10, 245459), (389, 6310), (631, 3890), (778, 3155), (1262, 1945)]