248173640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1009}}^1$

素因数の和:1087

約数の個数: 128

約数和(自身を含む): 671932800

約数和(自身を除く): 423759160

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 43, 44, 52, 55, 65, 86, 88, 104, 110, 130, 143, 172, 215, 220, 260, 286, 344, 430, 440, 473, 520, 559, 572, 715, 860, 946, 1009, 1118, 1144, 1430, 1720, 1892, 2018, 2236, 2365, 2795, 2860, 3784, 4036, 4472, 4730, 5045, 5590, 5720, 6149, 8072, 9460, 10090, 11099, 11180, 12298, 13117, 18920, 20180, 22198, 22360, 24596, 26234, 30745, 40360, 43387, 44396, 49192, 52468, 55495, 61490, 65585, 86774, 88792, 104936, 110990, 122980, 131170, 144287, 173548, 216935, 221980, 245960, 262340, 288574, 347096, 433870, 443960, 477257, 524680, 564031, 577148, 721435, 867740, 954514, 1128062, 1154296, 1442870, 1735480, 1909028, 2256124, 2386285, 2820155, 2885740, 3818056, 4512248, 4772570, 5640310, 5771480, 6204341, 9545140, 11280620, 12408682, 19090280, 22561240, 24817364, 31021705, 49634728, 62043410, 124086820, 248173640]

約数ペア:

[(1, 248173640), (2, 124086820), (4, 62043410), (5, 49634728), (8, 31021705), (10, 24817364), (11, 22561240), (13, 19090280), (20, 12408682), (22, 11280620), (26, 9545140), (40, 6204341), (43, 5771480), (44, 5640310), (52, 4772570), (55, 4512248), (65, 3818056), (86, 2885740), (88, 2820155), (104, 2386285), (110, 2256124), (130, 1909028), (143, 1735480), (172, 1442870), (215, 1154296), (220, 1128062), (260, 954514), (286, 867740), (344, 721435), (430, 577148), (440, 564031), (473, 524680), (520, 477257), (559, 443960), (572, 433870), (715, 347096), (860, 288574), (946, 262340), (1009, 245960), (1118, 221980), (1144, 216935), (1430, 173548), (1720, 144287), (1892, 131170), (2018, 122980), (2236, 110990), (2365, 104936), (2795, 88792), (2860, 86774), (3784, 65585), (4036, 61490), (4472, 55495), (4730, 52468), (5045, 49192), (5590, 44396), (5720, 43387), (6149, 40360), (8072, 30745), (9460, 26234), (10090, 24596), (11099, 22360), (11180, 22198), (12298, 20180), (13117, 18920)]