278422280836

素因数分解:

$2^2\times 7^2\times {\mathrm{211}}^1\times {\mathrm{683}}^1\times {\mathrm{9857}}^1$

素因数の和:10769

約数の個数: 72

約数和(自身を含む): 570366056736

約数和(自身を除く): 291943775900

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 211, 422, 683, 844, 1366, 1477, 2732, 2954, 4781, 5908, 9562, 9857, 10339, 19124, 19714, 20678, 33467, 39428, 41356, 66934, 68999, 133868, 137998, 144113, 275996, 288226, 482993, 576452, 965986, 1008791, 1931972, 2017582, 2079827, 4035164, 4159654, 6732331, 7061537, 8319308, 13464662, 14123074, 14558789, 26929324, 28246148, 29117578, 47126317, 58235156, 94252634, 101911523, 188505268, 203823046, 329884219, 407646092, 659768438, 1319536876, 1420521841, 2841043682, 5682087364, 9943652887, 19887305774, 39774611548, 69605570209, 139211140418, 278422280836]

約数ペア:

[(1, 278422280836), (2, 139211140418), (4, 69605570209), (7, 39774611548), (14, 19887305774), (28, 9943652887), (49, 5682087364), (98, 2841043682), (196, 1420521841), (211, 1319536876), (422, 659768438), (683, 407646092), (844, 329884219), (1366, 203823046), (1477, 188505268), (2732, 101911523), (2954, 94252634), (4781, 58235156), (5908, 47126317), (9562, 29117578), (9857, 28246148), (10339, 26929324), (19124, 14558789), (19714, 14123074), (20678, 13464662), (33467, 8319308), (39428, 7061537), (41356, 6732331), (66934, 4159654), (68999, 4035164), (133868, 2079827), (137998, 2017582), (144113, 1931972), (275996, 1008791), (288226, 965986), (482993, 576452)]