8685380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 20802264

約数和(自身を除く): 12116884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 97, 110, 121, 148, 185, 194, 220, 242, 370, 388, 407, 484, 485, 605, 740, 814, 970, 1067, 1210, 1628, 1940, 2035, 2134, 2420, 3589, 4070, 4268, 4477, 5335, 7178, 8140, 8954, 10670, 11737, 14356, 17908, 17945, 21340, 22385, 23474, 35890, 39479, 44770, 46948, 58685, 71780, 78958, 89540, 117370, 157916, 197395, 234740, 394790, 434269, 789580, 868538, 1737076, 2171345, 4342690, 8685380]

約数ペア:

[(1, 8685380), (2, 4342690), (4, 2171345), (5, 1737076), (10, 868538), (11, 789580), (20, 434269), (22, 394790), (37, 234740), (44, 197395), (55, 157916), (74, 117370), (97, 89540), (110, 78958), (121, 71780), (148, 58685), (185, 46948), (194, 44770), (220, 39479), (242, 35890), (370, 23474), (388, 22385), (407, 21340), (484, 17945), (485, 17908), (605, 14356), (740, 11737), (814, 10670), (970, 8954), (1067, 8140), (1210, 7178), (1628, 5335), (1940, 4477), (2035, 4268), (2134, 4070), (2420, 3589)]