208343870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1433}}^1$

素因数の和:1545

約数の個数: 64

約数和(自身を含む): 449335296

約数和(自身を除く): 240991426

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 67, 70, 134, 155, 217, 310, 335, 434, 469, 670, 938, 1085, 1433, 2077, 2170, 2345, 2866, 4154, 4690, 7165, 10031, 10385, 14330, 14539, 20062, 20770, 29078, 44423, 50155, 72695, 88846, 96011, 100310, 145390, 192022, 222115, 310961, 444230, 480055, 621922, 672077, 960110, 1344154, 1554805, 2976341, 3109610, 3360385, 5952682, 6720770, 14881705, 20834387, 29763410, 41668774, 104171935, 208343870]

約数ペア:

[(1, 208343870), (2, 104171935), (5, 41668774), (7, 29763410), (10, 20834387), (14, 14881705), (31, 6720770), (35, 5952682), (62, 3360385), (67, 3109610), (70, 2976341), (134, 1554805), (155, 1344154), (217, 960110), (310, 672077), (335, 621922), (434, 480055), (469, 444230), (670, 310961), (938, 222115), (1085, 192022), (1433, 145390), (2077, 100310), (2170, 96011), (2345, 88846), (2866, 72695), (4154, 50155), (4690, 44423), (7165, 29078), (10031, 20770), (10385, 20062), (14330, 14539)]