277521220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 648103680

約数和(自身を除く): 370582460

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 113, 115, 190, 226, 230, 281, 380, 437, 452, 460, 562, 565, 874, 1124, 1130, 1405, 1748, 2147, 2185, 2260, 2599, 2810, 4294, 4370, 5198, 5339, 5620, 6463, 8588, 8740, 10396, 10678, 10735, 12926, 12995, 21356, 21470, 25852, 25990, 26695, 31753, 32315, 42940, 49381, 51980, 53390, 63506, 64630, 98762, 106780, 122797, 127012, 129260, 158765, 197524, 245594, 246905, 317530, 491188, 493810, 603307, 613985, 635060, 730319, 987620, 1206614, 1227970, 1460638, 2413228, 2455940, 2921276, 3016535, 3651595, 6033070, 7303190, 12066140, 13876061, 14606380, 27752122, 55504244, 69380305, 138760610, 277521220]

約数ペア:

[(1, 277521220), (2, 138760610), (4, 69380305), (5, 55504244), (10, 27752122), (19, 14606380), (20, 13876061), (23, 12066140), (38, 7303190), (46, 6033070), (76, 3651595), (92, 3016535), (95, 2921276), (113, 2455940), (115, 2413228), (190, 1460638), (226, 1227970), (230, 1206614), (281, 987620), (380, 730319), (437, 635060), (452, 613985), (460, 603307), (562, 493810), (565, 491188), (874, 317530), (1124, 246905), (1130, 245594), (1405, 197524), (1748, 158765), (2147, 129260), (2185, 127012), (2260, 122797), (2599, 106780), (2810, 98762), (4294, 64630), (4370, 63506), (5198, 53390), (5339, 51980), (5620, 49381), (6463, 42940), (8588, 32315), (8740, 31753), (10396, 26695), (10678, 25990), (10735, 25852), (12926, 21470), (12995, 21356)]