219937300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1117}}^1$

素因数の和:1321

約数の個数: 72

約数和(自身を含む): 524028960

約数和(自身を除く): 304091660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 179, 220, 275, 358, 550, 716, 895, 1100, 1117, 1790, 1969, 2234, 3580, 3938, 4468, 4475, 5585, 7876, 8950, 9845, 11170, 12287, 17900, 19690, 22340, 24574, 27925, 39380, 49148, 49225, 55850, 61435, 98450, 111700, 122870, 196900, 199943, 245740, 307175, 399886, 614350, 799772, 999715, 1228700, 1999430, 2199373, 3998860, 4398746, 4998575, 8797492, 9997150, 10996865, 19994300, 21993730, 43987460, 54984325, 109968650, 219937300]

約数ペア:

[(1, 219937300), (2, 109968650), (4, 54984325), (5, 43987460), (10, 21993730), (11, 19994300), (20, 10996865), (22, 9997150), (25, 8797492), (44, 4998575), (50, 4398746), (55, 3998860), (100, 2199373), (110, 1999430), (179, 1228700), (220, 999715), (275, 799772), (358, 614350), (550, 399886), (716, 307175), (895, 245740), (1100, 199943), (1117, 196900), (1790, 122870), (1969, 111700), (2234, 98450), (3580, 61435), (3938, 55850), (4468, 49225), (4475, 49148), (5585, 39380), (7876, 27925), (8950, 24574), (9845, 22340), (11170, 19690), (12287, 17900)]