28856940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:687

約数の個数: 96

約数和(自身を含む): 93241344

約数和(自身を除く): 64384404

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 127, 140, 210, 254, 381, 420, 508, 541, 635, 762, 889, 1082, 1270, 1524, 1623, 1778, 1905, 2164, 2540, 2667, 2705, 3246, 3556, 3787, 3810, 4445, 5334, 5410, 6492, 7574, 7620, 8115, 8890, 10668, 10820, 11361, 13335, 15148, 16230, 17780, 18935, 22722, 26670, 32460, 37870, 45444, 53340, 56805, 68707, 75740, 113610, 137414, 206121, 227220, 274828, 343535, 412242, 480949, 687070, 824484, 961898, 1030605, 1374140, 1442847, 1923796, 2061210, 2404745, 2885694, 4122420, 4809490, 5771388, 7214235, 9618980, 14428470, 28856940]

約数ペア:

[(1, 28856940), (2, 14428470), (3, 9618980), (4, 7214235), (5, 5771388), (6, 4809490), (7, 4122420), (10, 2885694), (12, 2404745), (14, 2061210), (15, 1923796), (20, 1442847), (21, 1374140), (28, 1030605), (30, 961898), (35, 824484), (42, 687070), (60, 480949), (70, 412242), (84, 343535), (105, 274828), (127, 227220), (140, 206121), (210, 137414), (254, 113610), (381, 75740), (420, 68707), (508, 56805), (541, 53340), (635, 45444), (762, 37870), (889, 32460), (1082, 26670), (1270, 22722), (1524, 18935), (1623, 17780), (1778, 16230), (1905, 15148), (2164, 13335), (2540, 11361), (2667, 10820), (2705, 10668), (3246, 8890), (3556, 8115), (3787, 7620), (3810, 7574), (4445, 6492), (5334, 5410)]