1211762920

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{439}}^1\times {\mathrm{457}}^1$

素因数の和:1058

約数の個数: 64

約数和(自身を含む): 2756793600

約数和(自身を除く): 1545030680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 439, 457, 604, 755, 878, 914, 1208, 1510, 1756, 1828, 2195, 2285, 3020, 3512, 3656, 4390, 4570, 6040, 8780, 9140, 17560, 18280, 66289, 69007, 132578, 138014, 200623, 265156, 276028, 331445, 345035, 401246, 530312, 552056, 662890, 690070, 802492, 1003115, 1325780, 1380140, 1604984, 2006230, 2651560, 2760280, 4012460, 8024920, 30294073, 60588146, 121176292, 151470365, 242352584, 302940730, 605881460, 1211762920]

約数ペア:

[(1, 1211762920), (2, 605881460), (4, 302940730), (5, 242352584), (8, 151470365), (10, 121176292), (20, 60588146), (40, 30294073), (151, 8024920), (302, 4012460), (439, 2760280), (457, 2651560), (604, 2006230), (755, 1604984), (878, 1380140), (914, 1325780), (1208, 1003115), (1510, 802492), (1756, 690070), (1828, 662890), (2195, 552056), (2285, 530312), (3020, 401246), (3512, 345035), (3656, 331445), (4390, 276028), (4570, 265156), (6040, 200623), (8780, 138014), (9140, 132578), (17560, 69007), (18280, 66289)]