2813140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 6793920

約数和(自身を除く): 3980780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 673, 836, 1045, 1346, 2090, 2692, 3365, 4180, 6730, 7403, 12787, 13460, 14806, 25574, 29612, 37015, 51148, 63935, 74030, 127870, 140657, 148060, 255740, 281314, 562628, 703285, 1406570, 2813140]

約数ペア:

[(1, 2813140), (2, 1406570), (4, 703285), (5, 562628), (10, 281314), (11, 255740), (19, 148060), (20, 140657), (22, 127870), (38, 74030), (44, 63935), (55, 51148), (76, 37015), (95, 29612), (110, 25574), (190, 14806), (209, 13460), (220, 12787), (380, 7403), (418, 6730), (673, 4180), (836, 3365), (1045, 2692), (1346, 2090)]