1214683780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{5099}}^1$

素因数の和:5428

約数の個数: 48

約数和(自身を含む): 2620094400

約数和(自身を除く): 1405410620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 277, 430, 554, 860, 1108, 1385, 2770, 5099, 5540, 10198, 11911, 20396, 23822, 25495, 47644, 50990, 59555, 101980, 119110, 219257, 238220, 438514, 877028, 1096285, 1412423, 2192570, 2824846, 4385140, 5649692, 7062115, 14124230, 28248460, 60734189, 121468378, 242936756, 303670945, 607341890, 1214683780]

約数ペア:

[(1, 1214683780), (2, 607341890), (4, 303670945), (5, 242936756), (10, 121468378), (20, 60734189), (43, 28248460), (86, 14124230), (172, 7062115), (215, 5649692), (277, 4385140), (430, 2824846), (554, 2192570), (860, 1412423), (1108, 1096285), (1385, 877028), (2770, 438514), (5099, 238220), (5540, 219257), (10198, 119110), (11911, 101980), (20396, 59555), (23822, 50990), (25495, 47644)]