208035290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 410572800

約数和(自身を除く): 202537510

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 149, 170, 191, 215, 298, 382, 430, 731, 745, 955, 1462, 1490, 1910, 2533, 3247, 3655, 5066, 6407, 6494, 7310, 8213, 12665, 12814, 16235, 16426, 25330, 28459, 32035, 32470, 41065, 56918, 64070, 82130, 108919, 139621, 142295, 217838, 279242, 284590, 483803, 544595, 698105, 967606, 1089190, 1223737, 1396210, 2419015, 2447474, 4838030, 6118685, 12237370, 20803529, 41607058, 104017645, 208035290]

約数ペア:

[(1, 208035290), (2, 104017645), (5, 41607058), (10, 20803529), (17, 12237370), (34, 6118685), (43, 4838030), (85, 2447474), (86, 2419015), (149, 1396210), (170, 1223737), (191, 1089190), (215, 967606), (298, 698105), (382, 544595), (430, 483803), (731, 284590), (745, 279242), (955, 217838), (1462, 142295), (1490, 139621), (1910, 108919), (2533, 82130), (3247, 64070), (3655, 56918), (5066, 41065), (6407, 32470), (6494, 32035), (7310, 28459), (8213, 25330), (12665, 16426), (12814, 16235)]