208814210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{977}}^1$

素因数の和:1091

約数の個数: 64

約数和(自身を含む): 430945920

約数和(自身を除く): 222131710

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 67, 110, 134, 145, 290, 319, 335, 638, 670, 737, 977, 1474, 1595, 1943, 1954, 3190, 3685, 3886, 4885, 7370, 9715, 9770, 10747, 19430, 21373, 21494, 28333, 42746, 53735, 56666, 65459, 106865, 107470, 130918, 141665, 213730, 283330, 311663, 327295, 623326, 654590, 720049, 1440098, 1558315, 1898311, 3116630, 3600245, 3796622, 7200490, 9491555, 18983110, 20881421, 41762842, 104407105, 208814210]

約数ペア:

[(1, 208814210), (2, 104407105), (5, 41762842), (10, 20881421), (11, 18983110), (22, 9491555), (29, 7200490), (55, 3796622), (58, 3600245), (67, 3116630), (110, 1898311), (134, 1558315), (145, 1440098), (290, 720049), (319, 654590), (335, 623326), (638, 327295), (670, 311663), (737, 283330), (977, 213730), (1474, 141665), (1595, 130918), (1943, 107470), (1954, 106865), (3190, 65459), (3685, 56666), (3886, 53735), (4885, 42746), (7370, 28333), (9715, 21494), (9770, 21373), (10747, 19430)]