27282920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{701}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 70761600

約数和(自身を除く): 43478680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 701, 973, 1112, 1390, 1402, 1946, 2780, 2804, 3505, 3892, 4865, 4907, 5560, 5608, 7010, 7784, 9730, 9814, 14020, 19460, 19628, 24535, 28040, 38920, 39256, 49070, 97439, 98140, 194878, 196280, 389756, 487195, 682073, 779512, 974390, 1364146, 1948780, 2728292, 3410365, 3897560, 5456584, 6820730, 13641460, 27282920]

約数ペア:

[(1, 27282920), (2, 13641460), (4, 6820730), (5, 5456584), (7, 3897560), (8, 3410365), (10, 2728292), (14, 1948780), (20, 1364146), (28, 974390), (35, 779512), (40, 682073), (56, 487195), (70, 389756), (139, 196280), (140, 194878), (278, 98140), (280, 97439), (556, 49070), (695, 39256), (701, 38920), (973, 28040), (1112, 24535), (1390, 19628), (1402, 19460), (1946, 14020), (2780, 9814), (2804, 9730), (3505, 7784), (3892, 7010), (4865, 5608), (4907, 5560)]