2019554985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 3996647424

約数和(自身を除く): 1977092439

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 43, 47, 93, 105, 129, 141, 155, 215, 217, 235, 301, 307, 329, 465, 645, 651, 705, 903, 921, 987, 1085, 1333, 1457, 1505, 1535, 1645, 2021, 2149, 3255, 3999, 4371, 4515, 4605, 4935, 6063, 6447, 6665, 7285, 9331, 9517, 10105, 10199, 10745, 13201, 14147, 14429, 19995, 21855, 27993, 28551, 30315, 30597, 32235, 39603, 42441, 43287, 46655, 47585, 50995, 62651, 66005, 66619, 70735, 72145, 92407, 101003, 139965, 142755, 152985, 187953, 198015, 199857, 212205, 216435, 277221, 303009, 313255, 333095, 409231, 438557, 447299, 462035, 505015, 620447, 939765, 999285, 1227693, 1315671, 1341897, 1386105, 1515045, 1861341, 2046155, 2192785, 2236495, 2864617, 3102235, 3131093, 4343129, 6138465, 6578355, 6709485, 8593851, 9306705, 9393279, 13029387, 14323085, 15655465, 19233857, 21715645, 42969255, 46966395, 57701571, 65146935, 96169285, 134636999, 288507855, 403910997, 673184995, 2019554985]

約数ペア:

[(1, 2019554985), (3, 673184995), (5, 403910997), (7, 288507855), (15, 134636999), (21, 96169285), (31, 65146935), (35, 57701571), (43, 46966395), (47, 42969255), (93, 21715645), (105, 19233857), (129, 15655465), (141, 14323085), (155, 13029387), (215, 9393279), (217, 9306705), (235, 8593851), (301, 6709485), (307, 6578355), (329, 6138465), (465, 4343129), (645, 3131093), (651, 3102235), (705, 2864617), (903, 2236495), (921, 2192785), (987, 2046155), (1085, 1861341), (1333, 1515045), (1457, 1386105), (1505, 1341897), (1535, 1315671), (1645, 1227693), (2021, 999285), (2149, 939765), (3255, 620447), (3999, 505015), (4371, 462035), (4515, 447299), (4605, 438557), (4935, 409231), (6063, 333095), (6447, 313255), (6665, 303009), (7285, 277221), (9331, 216435), (9517, 212205), (10105, 199857), (10199, 198015), (10745, 187953), (13201, 152985), (14147, 142755), (14429, 139965), (19995, 101003), (21855, 92407), (27993, 72145), (28551, 70735), (30315, 66619), (30597, 66005), (32235, 62651), (39603, 50995), (42441, 47585), (43287, 46655)]