305006380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{7591}}^1$

素因数の和:7655

約数の個数: 72

約数和(自身を含む): 763360416

約数和(自身を除く): 458354036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 4018, 5740, 7591, 8036, 10045, 15182, 20090, 30364, 37955, 40180, 53137, 75910, 106274, 151820, 212548, 265685, 311231, 371959, 531370, 622462, 743918, 1062740, 1244924, 1487836, 1556155, 1859795, 2178617, 3112310, 3719590, 4357234, 6224620, 7439180, 8714468, 10893085, 15250319, 21786170, 30500638, 43572340, 61001276, 76251595, 152503190, 305006380]

約数ペア:

[(1, 305006380), (2, 152503190), (4, 76251595), (5, 61001276), (7, 43572340), (10, 30500638), (14, 21786170), (20, 15250319), (28, 10893085), (35, 8714468), (41, 7439180), (49, 6224620), (70, 4357234), (82, 3719590), (98, 3112310), (140, 2178617), (164, 1859795), (196, 1556155), (205, 1487836), (245, 1244924), (287, 1062740), (410, 743918), (490, 622462), (574, 531370), (820, 371959), (980, 311231), (1148, 265685), (1435, 212548), (2009, 151820), (2870, 106274), (4018, 75910), (5740, 53137), (7591, 40180), (8036, 37955), (10045, 30364), (15182, 20090)]