28884790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 59885568

約数和(自身を除く): 31000778

約数列:

[1, 2, 5, 10, 11, 22, 37, 47, 55, 74, 94, 110, 151, 185, 235, 302, 370, 407, 470, 517, 755, 814, 1034, 1510, 1661, 1739, 2035, 2585, 3322, 3478, 4070, 5170, 5587, 7097, 8305, 8695, 11174, 14194, 16610, 17390, 19129, 27935, 35485, 38258, 55870, 61457, 70970, 78067, 95645, 122914, 156134, 191290, 262589, 307285, 390335, 525178, 614570, 780670, 1312945, 2625890, 2888479, 5776958, 14442395, 28884790]

約数ペア:

[(1, 28884790), (2, 14442395), (5, 5776958), (10, 2888479), (11, 2625890), (22, 1312945), (37, 780670), (47, 614570), (55, 525178), (74, 390335), (94, 307285), (110, 262589), (151, 191290), (185, 156134), (235, 122914), (302, 95645), (370, 78067), (407, 70970), (470, 61457), (517, 55870), (755, 38258), (814, 35485), (1034, 27935), (1510, 19129), (1661, 17390), (1739, 16610), (2035, 14194), (2585, 11174), (3322, 8695), (3478, 8305), (4070, 7097), (5170, 5587)]