280155928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{769}}^1$

素因数の和:932

約数の個数: 64

約数和(自身を含む): 589881600

約数和(自身を除く): 309725672

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 113, 124, 226, 248, 403, 452, 769, 806, 904, 1469, 1538, 1612, 2938, 3076, 3224, 3503, 5876, 6152, 7006, 9997, 11752, 14012, 19994, 23839, 28024, 39988, 45539, 47678, 79976, 86897, 91078, 95356, 173794, 182156, 190712, 309907, 347588, 364312, 619814, 695176, 1129661, 1239628, 2259322, 2479256, 2693807, 4518644, 5387614, 9037288, 10775228, 21550456, 35019491, 70038982, 140077964, 280155928]

約数ペア:

[(1, 280155928), (2, 140077964), (4, 70038982), (8, 35019491), (13, 21550456), (26, 10775228), (31, 9037288), (52, 5387614), (62, 4518644), (104, 2693807), (113, 2479256), (124, 2259322), (226, 1239628), (248, 1129661), (403, 695176), (452, 619814), (769, 364312), (806, 347588), (904, 309907), (1469, 190712), (1538, 182156), (1612, 173794), (2938, 95356), (3076, 91078), (3224, 86897), (3503, 79976), (5876, 47678), (6152, 45539), (7006, 39988), (9997, 28024), (11752, 23839), (14012, 19994)]