197381560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2663}}^1$

素因数の和:2800

約数の個数: 64

約数和(自身を含む): 474724800

約数和(自身を除く): 277343240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 170, 218, 340, 436, 545, 680, 872, 1090, 1853, 2180, 2663, 3706, 4360, 5326, 7412, 9265, 10652, 13315, 14824, 18530, 21304, 26630, 37060, 45271, 53260, 74120, 90542, 106520, 181084, 226355, 290267, 362168, 452710, 580534, 905420, 1161068, 1451335, 1810840, 2322136, 2902670, 4934539, 5805340, 9869078, 11610680, 19738156, 24672695, 39476312, 49345390, 98690780, 197381560]

約数ペア:

[(1, 197381560), (2, 98690780), (4, 49345390), (5, 39476312), (8, 24672695), (10, 19738156), (17, 11610680), (20, 9869078), (34, 5805340), (40, 4934539), (68, 2902670), (85, 2322136), (109, 1810840), (136, 1451335), (170, 1161068), (218, 905420), (340, 580534), (436, 452710), (545, 362168), (680, 290267), (872, 226355), (1090, 181084), (1853, 106520), (2180, 90542), (2663, 74120), (3706, 53260), (4360, 45271), (5326, 37060), (7412, 26630), (9265, 21304), (10652, 18530), (13315, 14824)]