177782140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1\times {\mathrm{457}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 382257792

約数和(自身を除く): 204475652

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 367, 457, 530, 734, 914, 1060, 1468, 1828, 1835, 2285, 3670, 4570, 7340, 9140, 19451, 24221, 38902, 48442, 77804, 96884, 97255, 121105, 167719, 194510, 242210, 335438, 389020, 484420, 670876, 838595, 1677190, 3354380, 8889107, 17778214, 35556428, 44445535, 88891070, 177782140]

約数ペア:

[(1, 177782140), (2, 88891070), (4, 44445535), (5, 35556428), (10, 17778214), (20, 8889107), (53, 3354380), (106, 1677190), (212, 838595), (265, 670876), (367, 484420), (457, 389020), (530, 335438), (734, 242210), (914, 194510), (1060, 167719), (1468, 121105), (1828, 97255), (1835, 96884), (2285, 77804), (3670, 48442), (4570, 38902), (7340, 24221), (9140, 19451)]