253664180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23531}}^1$

素因数の和:23565

約数の個数: 72

約数和(自身を含む): 676027296

約数和(自身を除く): 422363116

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 23531, 47062, 94124, 117655, 164717, 235310, 258841, 329434, 470620, 517682, 658868, 823585, 1035364, 1153019, 1294205, 1647170, 1811887, 2306038, 2588410, 3294340, 3623774, 4612076, 5176820, 5765095, 7247548, 9059435, 11530190, 12683209, 18118870, 23060380, 25366418, 36237740, 50732836, 63416045, 126832090, 253664180]

約数ペア:

[(1, 253664180), (2, 126832090), (4, 63416045), (5, 50732836), (7, 36237740), (10, 25366418), (11, 23060380), (14, 18118870), (20, 12683209), (22, 11530190), (28, 9059435), (35, 7247548), (44, 5765095), (49, 5176820), (55, 4612076), (70, 3623774), (77, 3294340), (98, 2588410), (110, 2306038), (140, 1811887), (154, 1647170), (196, 1294205), (220, 1153019), (245, 1035364), (308, 823585), (385, 658868), (490, 517682), (539, 470620), (770, 329434), (980, 258841), (1078, 235310), (1540, 164717), (2156, 117655), (2695, 94124), (5390, 47062), (10780, 23531)]