1280822574200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{37894159}}^1$

素因数の和:37894201

約数の個数: 72

約数和(自身を含む): 3224603545200

約数和(自身を除く): 1943780971000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 169, 200, 260, 325, 338, 520, 650, 676, 845, 1300, 1352, 1690, 2600, 3380, 4225, 6760, 8450, 16900, 33800, 37894159, 75788318, 151576636, 189470795, 303153272, 378941590, 492624067, 757883180, 947353975, 985248134, 1515766360, 1894707950, 1970496268, 2463120335, 3789415900, 3940992536, 4926240670, 6404112871, 7578831800, 9852481340, 12315601675, 12808225742, 19704962680, 24631203350, 25616451484, 32020564355, 49262406700, 51232902968, 64041128710, 98524813400, 128082257420, 160102821775, 256164514840, 320205643550, 640411287100, 1280822574200]

約数ペア:

[(1, 1280822574200), (2, 640411287100), (4, 320205643550), (5, 256164514840), (8, 160102821775), (10, 128082257420), (13, 98524813400), (20, 64041128710), (25, 51232902968), (26, 49262406700), (40, 32020564355), (50, 25616451484), (52, 24631203350), (65, 19704962680), (100, 12808225742), (104, 12315601675), (130, 9852481340), (169, 7578831800), (200, 6404112871), (260, 4926240670), (325, 3940992536), (338, 3789415900), (520, 2463120335), (650, 1970496268), (676, 1894707950), (845, 1515766360), (1300, 985248134), (1352, 947353975), (1690, 757883180), (2600, 492624067), (3380, 378941590), (4225, 303153272), (6760, 189470795), (8450, 151576636), (16900, 75788318), (33800, 37894159)]