291268340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{6653}}^1$

素因数の和:6872

約数の個数: 48

約数和(自身を含む): 670723200

約数和(自身を除く): 379454860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1990, 2189, 3980, 4378, 6653, 8756, 10945, 13306, 21890, 26612, 33265, 43780, 66530, 73183, 133060, 146366, 292732, 365915, 731830, 1323947, 1463660, 2647894, 5295788, 6619735, 13239470, 14563417, 26478940, 29126834, 58253668, 72817085, 145634170, 291268340]

約数ペア:

[(1, 291268340), (2, 145634170), (4, 72817085), (5, 58253668), (10, 29126834), (11, 26478940), (20, 14563417), (22, 13239470), (44, 6619735), (55, 5295788), (110, 2647894), (199, 1463660), (220, 1323947), (398, 731830), (796, 365915), (995, 292732), (1990, 146366), (2189, 133060), (3980, 73183), (4378, 66530), (6653, 43780), (8756, 33265), (10945, 26612), (13306, 21890)]