28946820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^3$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 94945536

約数和(自身を除く): 65998716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 492, 574, 615, 820, 861, 1148, 1230, 1435, 1681, 1722, 2460, 2870, 3362, 3444, 4305, 5043, 5740, 6724, 8405, 8610, 10086, 11767, 16810, 17220, 20172, 23534, 25215, 33620, 35301, 47068, 50430, 58835, 68921, 70602, 100860, 117670, 137842, 141204, 176505, 206763, 235340, 275684, 344605, 353010, 413526, 482447, 689210, 706020, 827052, 964894, 1033815, 1378420, 1447341, 1929788, 2067630, 2412235, 2894682, 4135260, 4824470, 5789364, 7236705, 9648940, 14473410, 28946820]

約数ペア:

[(1, 28946820), (2, 14473410), (3, 9648940), (4, 7236705), (5, 5789364), (6, 4824470), (7, 4135260), (10, 2894682), (12, 2412235), (14, 2067630), (15, 1929788), (20, 1447341), (21, 1378420), (28, 1033815), (30, 964894), (35, 827052), (41, 706020), (42, 689210), (60, 482447), (70, 413526), (82, 353010), (84, 344605), (105, 275684), (123, 235340), (140, 206763), (164, 176505), (205, 141204), (210, 137842), (246, 117670), (287, 100860), (410, 70602), (420, 68921), (492, 58835), (574, 50430), (615, 47068), (820, 35301), (861, 33620), (1148, 25215), (1230, 23534), (1435, 20172), (1681, 17220), (1722, 16810), (2460, 11767), (2870, 10086), (3362, 8610), (3444, 8405), (4305, 6724), (5043, 5740)]