1985411036120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{3513007}}^1$

素因数の和:3513288

約数の個数: 64

約数和(自身を含む): 4552858368000

約数和(自身を除く): 2567447331880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 199, 284, 355, 398, 568, 710, 796, 995, 1420, 1592, 1990, 2840, 3980, 7960, 14129, 28258, 56516, 70645, 113032, 141290, 282580, 565160, 3513007, 7026014, 14052028, 17565035, 28104056, 35130070, 70260140, 140520280, 249423497, 498846994, 699088393, 997693988, 1247117485, 1398176786, 1995387976, 2494234970, 2796353572, 3495441965, 4988469940, 5592707144, 6990883930, 9976939880, 13981767860, 27963535720, 49635275903, 99270551806, 198541103612, 248176379515, 397082207224, 496352759030, 992705518060, 1985411036120]

約数ペア:

[(1, 1985411036120), (2, 992705518060), (4, 496352759030), (5, 397082207224), (8, 248176379515), (10, 198541103612), (20, 99270551806), (40, 49635275903), (71, 27963535720), (142, 13981767860), (199, 9976939880), (284, 6990883930), (355, 5592707144), (398, 4988469940), (568, 3495441965), (710, 2796353572), (796, 2494234970), (995, 1995387976), (1420, 1398176786), (1592, 1247117485), (1990, 997693988), (2840, 699088393), (3980, 498846994), (7960, 249423497), (14129, 140520280), (28258, 70260140), (56516, 35130070), (70645, 28104056), (113032, 17565035), (141290, 14052028), (282580, 7026014), (565160, 3513007)]