28013150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 72

約数和(自身を含む): 59842152

約数和(自身を除く): 31829002

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 53, 55, 62, 106, 110, 155, 265, 275, 310, 341, 530, 550, 583, 682, 775, 961, 1166, 1325, 1550, 1643, 1705, 1922, 2650, 2915, 3286, 3410, 4805, 5830, 8215, 8525, 9610, 10571, 14575, 16430, 17050, 18073, 21142, 24025, 29150, 36146, 41075, 48050, 50933, 52855, 82150, 90365, 101866, 105710, 180730, 254665, 264275, 451825, 509330, 528550, 560263, 903650, 1120526, 1273325, 2546650, 2801315, 5602630, 14006575, 28013150]

約数ペア:

[(1, 28013150), (2, 14006575), (5, 5602630), (10, 2801315), (11, 2546650), (22, 1273325), (25, 1120526), (31, 903650), (50, 560263), (53, 528550), (55, 509330), (62, 451825), (106, 264275), (110, 254665), (155, 180730), (265, 105710), (275, 101866), (310, 90365), (341, 82150), (530, 52855), (550, 50933), (583, 48050), (682, 41075), (775, 36146), (961, 29150), (1166, 24025), (1325, 21142), (1550, 18073), (1643, 17050), (1705, 16430), (1922, 14575), (2650, 10571), (2915, 9610), (3286, 8525), (3410, 8215), (4805, 5830)]