276409280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{123397}}^1$

素因数の和:123421

約数の個数: 56

約数和(自身を含む): 752234208

約数和(自身を除く): 475824928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 123397, 246794, 493588, 616985, 863779, 987176, 1233970, 1727558, 1974352, 2467940, 3455116, 3948704, 4318895, 4935880, 6910232, 7897408, 8637790, 9871760, 13820464, 17275580, 19743520, 27640928, 34551160, 39487040, 55281856, 69102320, 138204640, 276409280]

約数ペア:

[(1, 276409280), (2, 138204640), (4, 69102320), (5, 55281856), (7, 39487040), (8, 34551160), (10, 27640928), (14, 19743520), (16, 17275580), (20, 13820464), (28, 9871760), (32, 8637790), (35, 7897408), (40, 6910232), (56, 4935880), (64, 4318895), (70, 3948704), (80, 3455116), (112, 2467940), (140, 1974352), (160, 1727558), (224, 1233970), (280, 987176), (320, 863779), (448, 616985), (560, 493588), (1120, 246794), (2240, 123397)]