820275568

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{233}}^1$

素因数の和:351

約数の個数: 120

約数和(自身を含む): 1977382368

約数和(自身を除く): 1157106800

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 43, 56, 68, 86, 112, 119, 136, 172, 233, 238, 272, 301, 344, 466, 476, 602, 688, 731, 932, 952, 1204, 1462, 1631, 1849, 1864, 1904, 2408, 2924, 3262, 3698, 3728, 3961, 4816, 5117, 5848, 6524, 7396, 7922, 10019, 10234, 11696, 12943, 13048, 14792, 15844, 20038, 20468, 25886, 26096, 27727, 29584, 31433, 31688, 40076, 40936, 51772, 55454, 62866, 63376, 70133, 80152, 81872, 103544, 110908, 125732, 140266, 160304, 170323, 207088, 220031, 221816, 251464, 280532, 340646, 430817, 440062, 443632, 502928, 561064, 681292, 861634, 880124, 1122128, 1192261, 1362584, 1723268, 1760248, 2384522, 2725168, 3015719, 3446536, 3520496, 4769044, 6031438, 6893072, 7323889, 9538088, 12062876, 14647778, 19076176, 24125752, 29295556, 48251504, 51267223, 58591112, 102534446, 117182224, 205068892, 410137784, 820275568]

約数ペア:

[(1, 820275568), (2, 410137784), (4, 205068892), (7, 117182224), (8, 102534446), (14, 58591112), (16, 51267223), (17, 48251504), (28, 29295556), (34, 24125752), (43, 19076176), (56, 14647778), (68, 12062876), (86, 9538088), (112, 7323889), (119, 6893072), (136, 6031438), (172, 4769044), (233, 3520496), (238, 3446536), (272, 3015719), (301, 2725168), (344, 2384522), (466, 1760248), (476, 1723268), (602, 1362584), (688, 1192261), (731, 1122128), (932, 880124), (952, 861634), (1204, 681292), (1462, 561064), (1631, 502928), (1849, 443632), (1864, 440062), (1904, 430817), (2408, 340646), (2924, 280532), (3262, 251464), (3698, 221816), (3728, 220031), (3961, 207088), (4816, 170323), (5117, 160304), (5848, 140266), (6524, 125732), (7396, 110908), (7922, 103544), (10019, 81872), (10234, 80152), (11696, 70133), (12943, 63376), (13048, 62866), (14792, 55454), (15844, 51772), (20038, 40936), (20468, 40076), (25886, 31688), (26096, 31433), (27727, 29584)]