509260900

素因数分解:

$2^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 1124580800

約数和(自身を除く): 615319900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 157, 163, 199, 314, 326, 398, 628, 652, 785, 796, 815, 995, 1570, 1630, 1990, 3140, 3260, 3925, 3980, 4075, 4975, 7850, 8150, 9950, 15700, 16300, 19900, 25591, 31243, 32437, 51182, 62486, 64874, 102364, 124972, 127955, 129748, 156215, 162185, 255910, 312430, 324370, 511820, 624860, 639775, 648740, 781075, 810925, 1279550, 1562150, 1621850, 2559100, 3124300, 3243700, 5092609, 10185218, 20370436, 25463045, 50926090, 101852180, 127315225, 254630450, 509260900]

約数ペア:

[(1, 509260900), (2, 254630450), (4, 127315225), (5, 101852180), (10, 50926090), (20, 25463045), (25, 20370436), (50, 10185218), (100, 5092609), (157, 3243700), (163, 3124300), (199, 2559100), (314, 1621850), (326, 1562150), (398, 1279550), (628, 810925), (652, 781075), (785, 648740), (796, 639775), (815, 624860), (995, 511820), (1570, 324370), (1630, 312430), (1990, 255910), (3140, 162185), (3260, 156215), (3925, 129748), (3980, 127955), (4075, 124972), (4975, 102364), (7850, 64874), (8150, 62486), (9950, 51182), (15700, 32437), (16300, 31243), (19900, 25591)]