71023100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 160406400

約数和(自身を除く): 89383300

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 83, 86, 100, 166, 172, 199, 215, 332, 398, 415, 430, 796, 830, 860, 995, 1075, 1660, 1990, 2075, 2150, 3569, 3980, 4150, 4300, 4975, 7138, 8300, 8557, 9950, 14276, 16517, 17114, 17845, 19900, 33034, 34228, 35690, 42785, 66068, 71380, 82585, 85570, 89225, 165170, 171140, 178450, 213925, 330340, 356900, 412925, 427850, 710231, 825850, 855700, 1420462, 1651700, 2840924, 3551155, 7102310, 14204620, 17755775, 35511550, 71023100]

約数ペア:

[(1, 71023100), (2, 35511550), (4, 17755775), (5, 14204620), (10, 7102310), (20, 3551155), (25, 2840924), (43, 1651700), (50, 1420462), (83, 855700), (86, 825850), (100, 710231), (166, 427850), (172, 412925), (199, 356900), (215, 330340), (332, 213925), (398, 178450), (415, 171140), (430, 165170), (796, 89225), (830, 85570), (860, 82585), (995, 71380), (1075, 66068), (1660, 42785), (1990, 35690), (2075, 34228), (2150, 33034), (3569, 19900), (3980, 17845), (4150, 17114), (4300, 16517), (4975, 14276), (7138, 9950), (8300, 8557)]