823321520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{210031}}^1$

素因数の和:210058

約数の個数: 60

約数和(自身を含む): 2226759264

約数和(自身を除く): 1403437744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 210031, 420062, 840124, 1050155, 1470217, 1680248, 2100310, 2940434, 3360496, 4200620, 5880868, 7351085, 8401240, 10291519, 11761736, 14702170, 16802480, 20583038, 23523472, 29404340, 41166076, 51457595, 58808680, 82332152, 102915190, 117617360, 164664304, 205830380, 411660760, 823321520]

約数ペア:

[(1, 823321520), (2, 411660760), (4, 205830380), (5, 164664304), (7, 117617360), (8, 102915190), (10, 82332152), (14, 58808680), (16, 51457595), (20, 41166076), (28, 29404340), (35, 23523472), (40, 20583038), (49, 16802480), (56, 14702170), (70, 11761736), (80, 10291519), (98, 8401240), (112, 7351085), (140, 5880868), (196, 4200620), (245, 3360496), (280, 2940434), (392, 2100310), (490, 1680248), (560, 1470217), (784, 1050155), (980, 840124), (1960, 420062), (3920, 210031)]