28705740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1667}}^1$

素因数の和:1727

約数の個数: 96

約数和(自身を含む): 94155264

約数和(自身を除く): 65449524

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, 1667, 1722, 2460, 2870, 3334, 3444, 4305, 5001, 5740, 6668, 8335, 8610, 10002, 11669, 16670, 17220, 20004, 23338, 25005, 33340, 35007, 46676, 50010, 58345, 68347, 70014, 100020, 116690, 136694, 140028, 175035, 205041, 233380, 273388, 341735, 350070, 410082, 478429, 683470, 700140, 820164, 956858, 1025205, 1366940, 1435287, 1913716, 2050410, 2392145, 2870574, 4100820, 4784290, 5741148, 7176435, 9568580, 14352870, 28705740]

約数ペア:

[(1, 28705740), (2, 14352870), (3, 9568580), (4, 7176435), (5, 5741148), (6, 4784290), (7, 4100820), (10, 2870574), (12, 2392145), (14, 2050410), (15, 1913716), (20, 1435287), (21, 1366940), (28, 1025205), (30, 956858), (35, 820164), (41, 700140), (42, 683470), (60, 478429), (70, 410082), (82, 350070), (84, 341735), (105, 273388), (123, 233380), (140, 205041), (164, 175035), (205, 140028), (210, 136694), (246, 116690), (287, 100020), (410, 70014), (420, 68347), (492, 58345), (574, 50010), (615, 46676), (820, 35007), (861, 33340), (1148, 25005), (1230, 23338), (1435, 20004), (1667, 17220), (1722, 16670), (2460, 11669), (2870, 10002), (3334, 8610), (3444, 8335), (4305, 6668), (5001, 5740)]