611758940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{138407}}^1$

素因数の和:138446

約数の個数: 48

約数和(自身を含む): 1464910272

約数和(自身を除く): 853151332

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 138407, 276814, 553628, 692035, 1384070, 1799291, 2352919, 2768140, 3598582, 4705838, 7197164, 8996455, 9411676, 11764595, 17992910, 23529190, 30587947, 35985820, 47058380, 61175894, 122351788, 152939735, 305879470, 611758940]

約数ペア:

[(1, 611758940), (2, 305879470), (4, 152939735), (5, 122351788), (10, 61175894), (13, 47058380), (17, 35985820), (20, 30587947), (26, 23529190), (34, 17992910), (52, 11764595), (65, 9411676), (68, 8996455), (85, 7197164), (130, 4705838), (170, 3598582), (221, 2768140), (260, 2352919), (340, 1799291), (442, 1384070), (884, 692035), (1105, 553628), (2210, 276814), (4420, 138407)]