320855980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{697513}}^1$

素因数の和:697545

約数の個数: 24

約数和(自身を含む): 703094112

約数和(自身を除く): 382238132

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 697513, 1395026, 2790052, 3487565, 6975130, 13950260, 16042799, 32085598, 64171196, 80213995, 160427990, 320855980]

約数ペア:

[(1, 320855980), (2, 160427990), (4, 80213995), (5, 64171196), (10, 32085598), (20, 16042799), (23, 13950260), (46, 6975130), (92, 3487565), (115, 2790052), (230, 1395026), (460, 697513)]