1988049759380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{1109}}^1\times {\mathrm{7937}}^1$

素因数の和:9569

約数の個数: 96

約数和(自身を含む): 4369781364480

約数和(自身を除く): 2381731605100

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 491, 982, 1109, 1964, 2218, 2455, 4436, 4910, 5545, 7937, 9820, 11090, 11293, 15874, 22180, 22586, 25507, 31748, 39685, 45172, 51014, 56465, 79370, 102028, 112930, 127535, 158740, 182551, 225860, 255070, 365102, 510140, 544519, 730204, 912755, 1089038, 1825510, 2178076, 2722595, 3651020, 3897067, 5445190, 7794134, 8802133, 10890380, 12523937, 15588268, 17604266, 19485335, 25047874, 35208532, 38970670, 44010665, 50095748, 62619685, 77941340, 88021330, 89632541, 125239370, 176042660, 179265082, 202449059, 250478740, 358530164, 404898118, 448162705, 809796236, 896325410, 1012245295, 1792650820, 2024490590, 4048981180, 4321847303, 8643694606, 17287389212, 21609236515, 43218473030, 86436946060, 99402487969, 198804975938, 397609951876, 497012439845, 994024879690, 1988049759380]

約数ペア:

[(1, 1988049759380), (2, 994024879690), (4, 497012439845), (5, 397609951876), (10, 198804975938), (20, 99402487969), (23, 86436946060), (46, 43218473030), (92, 21609236515), (115, 17287389212), (230, 8643694606), (460, 4321847303), (491, 4048981180), (982, 2024490590), (1109, 1792650820), (1964, 1012245295), (2218, 896325410), (2455, 809796236), (4436, 448162705), (4910, 404898118), (5545, 358530164), (7937, 250478740), (9820, 202449059), (11090, 179265082), (11293, 176042660), (15874, 125239370), (22180, 89632541), (22586, 88021330), (25507, 77941340), (31748, 62619685), (39685, 50095748), (45172, 44010665), (51014, 38970670), (56465, 35208532), (79370, 25047874), (102028, 19485335), (112930, 17604266), (127535, 15588268), (158740, 12523937), (182551, 10890380), (225860, 8802133), (255070, 7794134), (365102, 5445190), (510140, 3897067), (544519, 3651020), (730204, 2722595), (912755, 2178076), (1089038, 1825510)]