9967720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{367}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 25966080

約数和(自身を除く): 15998360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 367, 388, 485, 679, 734, 776, 970, 1358, 1468, 1835, 1940, 2569, 2716, 2936, 3395, 3670, 3880, 5138, 5432, 6790, 7340, 10276, 12845, 13580, 14680, 20552, 25690, 27160, 35599, 51380, 71198, 102760, 142396, 177995, 249193, 284792, 355990, 498386, 711980, 996772, 1245965, 1423960, 1993544, 2491930, 4983860, 9967720]

約数ペア:

[(1, 9967720), (2, 4983860), (4, 2491930), (5, 1993544), (7, 1423960), (8, 1245965), (10, 996772), (14, 711980), (20, 498386), (28, 355990), (35, 284792), (40, 249193), (56, 177995), (70, 142396), (97, 102760), (140, 71198), (194, 51380), (280, 35599), (367, 27160), (388, 25690), (485, 20552), (679, 14680), (734, 13580), (776, 12845), (970, 10276), (1358, 7340), (1468, 6790), (1835, 5432), (1940, 5138), (2569, 3880), (2716, 3670), (2936, 3395)]