400016016

素因数分解:

$2^4\times 3^3\times {\mathrm{53}}^1\times {\mathrm{17471}}^1$

素因数の和:17541

約数の個数: 80

約数和(自身を含む): 1169925120

約数和(自身を除く): 769909104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 53, 54, 72, 106, 108, 144, 159, 212, 216, 318, 424, 432, 477, 636, 848, 954, 1272, 1431, 1908, 2544, 2862, 3816, 5724, 7632, 11448, 17471, 22896, 34942, 52413, 69884, 104826, 139768, 157239, 209652, 279536, 314478, 419304, 471717, 628956, 838608, 925963, 943434, 1257912, 1851926, 1886868, 2515824, 2777889, 3703852, 3773736, 5555778, 7407704, 7547472, 8333667, 11111556, 14815408, 16667334, 22223112, 25001001, 33334668, 44446224, 50002002, 66669336, 100004004, 133338672, 200008008, 400016016]

約数ペア:

[(1, 400016016), (2, 200008008), (3, 133338672), (4, 100004004), (6, 66669336), (8, 50002002), (9, 44446224), (12, 33334668), (16, 25001001), (18, 22223112), (24, 16667334), (27, 14815408), (36, 11111556), (48, 8333667), (53, 7547472), (54, 7407704), (72, 5555778), (106, 3773736), (108, 3703852), (144, 2777889), (159, 2515824), (212, 1886868), (216, 1851926), (318, 1257912), (424, 943434), (432, 925963), (477, 838608), (636, 628956), (848, 471717), (954, 419304), (1272, 314478), (1431, 279536), (1908, 209652), (2544, 157239), (2862, 139768), (3816, 104826), (5724, 69884), (7632, 52413), (11448, 34942), (17471, 22896)]