208379710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15919}}^1$

素因数の和:15961

約数の個数: 64

約数和(自身を含む): 495175680

約数和(自身を除く): 286795970

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 595, 770, 935, 1190, 1309, 1870, 2618, 6545, 13090, 15919, 31838, 79595, 111433, 159190, 175109, 222866, 270623, 350218, 541246, 557165, 875545, 1114330, 1225763, 1353115, 1751090, 1894361, 2451526, 2706230, 2976853, 3788722, 5953706, 6128815, 9471805, 12257630, 14884265, 18943610, 20837971, 29768530, 41675942, 104189855, 208379710]

約数ペア:

[(1, 208379710), (2, 104189855), (5, 41675942), (7, 29768530), (10, 20837971), (11, 18943610), (14, 14884265), (17, 12257630), (22, 9471805), (34, 6128815), (35, 5953706), (55, 3788722), (70, 2976853), (77, 2706230), (85, 2451526), (110, 1894361), (119, 1751090), (154, 1353115), (170, 1225763), (187, 1114330), (238, 875545), (374, 557165), (385, 541246), (595, 350218), (770, 270623), (935, 222866), (1190, 175109), (1309, 159190), (1870, 111433), (2618, 79595), (6545, 31838), (13090, 15919)]