276400520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{628183}}^1$

素因数の和:628205

約数の個数: 32

約数和(自身を含む): 678438720

約数和(自身を除く): 402038200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 628183, 1256366, 2512732, 3140915, 5025464, 6281830, 6910013, 12563660, 13820026, 25127320, 27640052, 34550065, 55280104, 69100130, 138200260, 276400520]

約数ペア:

[(1, 276400520), (2, 138200260), (4, 69100130), (5, 55280104), (8, 34550065), (10, 27640052), (11, 25127320), (20, 13820026), (22, 12563660), (40, 6910013), (44, 6281830), (55, 5025464), (88, 3140915), (110, 2512732), (220, 1256366), (440, 628183)]