87975580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{8161}}^1$

素因数の和:8195

約数の個数: 72

約数和(自身を含む): 234477936

約数和(自身を除く): 146502356

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, 8161, 10780, 16322, 32644, 40805, 57127, 81610, 89771, 114254, 163220, 179542, 228508, 285635, 359084, 399889, 448855, 571270, 628397, 799778, 897710, 1142540, 1256794, 1599556, 1795420, 1999445, 2513588, 3141985, 3998890, 4398779, 6283970, 7997780, 8797558, 12567940, 17595116, 21993895, 43987790, 87975580]

約数ペア:

[(1, 87975580), (2, 43987790), (4, 21993895), (5, 17595116), (7, 12567940), (10, 8797558), (11, 7997780), (14, 6283970), (20, 4398779), (22, 3998890), (28, 3141985), (35, 2513588), (44, 1999445), (49, 1795420), (55, 1599556), (70, 1256794), (77, 1142540), (98, 897710), (110, 799778), (140, 628397), (154, 571270), (196, 448855), (220, 399889), (245, 359084), (308, 285635), (385, 228508), (490, 179542), (539, 163220), (770, 114254), (980, 89771), (1078, 81610), (1540, 57127), (2156, 40805), (2695, 32644), (5390, 16322), (8161, 10780)]