29908120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{673}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 74247840

約数和(自身を除く): 44339720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 673, 808, 1010, 1111, 1346, 2020, 2222, 2692, 3365, 4040, 4444, 5384, 5555, 6730, 7403, 8888, 11110, 13460, 14806, 22220, 26920, 29612, 37015, 44440, 59224, 67973, 74030, 135946, 148060, 271892, 296120, 339865, 543784, 679730, 747703, 1359460, 1495406, 2718920, 2990812, 3738515, 5981624, 7477030, 14954060, 29908120]

約数ペア:

[(1, 29908120), (2, 14954060), (4, 7477030), (5, 5981624), (8, 3738515), (10, 2990812), (11, 2718920), (20, 1495406), (22, 1359460), (40, 747703), (44, 679730), (55, 543784), (88, 339865), (101, 296120), (110, 271892), (202, 148060), (220, 135946), (404, 74030), (440, 67973), (505, 59224), (673, 44440), (808, 37015), (1010, 29612), (1111, 26920), (1346, 22220), (2020, 14806), (2222, 13460), (2692, 11110), (3365, 8888), (4040, 7403), (4444, 6730), (5384, 5555)]