268072900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{709}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 616280000

約数和(自身を除く): 348207100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 199, 380, 398, 475, 709, 796, 950, 995, 1418, 1900, 1990, 2836, 3545, 3781, 3980, 4975, 7090, 7562, 9950, 13471, 14180, 15124, 17725, 18905, 19900, 26942, 35450, 37810, 53884, 67355, 70900, 75620, 94525, 134710, 141091, 189050, 269420, 282182, 336775, 378100, 564364, 673550, 705455, 1347100, 1410910, 2680729, 2821820, 3527275, 5361458, 7054550, 10722916, 13403645, 14109100, 26807290, 53614580, 67018225, 134036450, 268072900]

約数ペア:

[(1, 268072900), (2, 134036450), (4, 67018225), (5, 53614580), (10, 26807290), (19, 14109100), (20, 13403645), (25, 10722916), (38, 7054550), (50, 5361458), (76, 3527275), (95, 2821820), (100, 2680729), (190, 1410910), (199, 1347100), (380, 705455), (398, 673550), (475, 564364), (709, 378100), (796, 336775), (950, 282182), (995, 269420), (1418, 189050), (1900, 141091), (1990, 134710), (2836, 94525), (3545, 75620), (3781, 70900), (3980, 67355), (4975, 53884), (7090, 37810), (7562, 35450), (9950, 26942), (13471, 19900), (14180, 18905), (15124, 17725)]