399165712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1499}}^1$

素因数の和:1624

約数の個数: 80

約数和(自身を含む): 903960000

約数和(自身を除く): 504794288

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 89, 136, 176, 178, 187, 272, 356, 374, 712, 748, 979, 1424, 1496, 1499, 1513, 1958, 2992, 2998, 3026, 3916, 5996, 6052, 7832, 11992, 12104, 15664, 16489, 16643, 23984, 24208, 25483, 32978, 33286, 50966, 65956, 66572, 101932, 131912, 133144, 133411, 203864, 263824, 266288, 266822, 280313, 407728, 533644, 560626, 1067288, 1121252, 1467521, 2134576, 2242504, 2267987, 2935042, 4485008, 4535974, 5870084, 9071948, 11740168, 18143896, 23480336, 24947857, 36287792, 49895714, 99791428, 199582856, 399165712]

約数ペア:

[(1, 399165712), (2, 199582856), (4, 99791428), (8, 49895714), (11, 36287792), (16, 24947857), (17, 23480336), (22, 18143896), (34, 11740168), (44, 9071948), (68, 5870084), (88, 4535974), (89, 4485008), (136, 2935042), (176, 2267987), (178, 2242504), (187, 2134576), (272, 1467521), (356, 1121252), (374, 1067288), (712, 560626), (748, 533644), (979, 407728), (1424, 280313), (1496, 266822), (1499, 266288), (1513, 263824), (1958, 203864), (2992, 133411), (2998, 133144), (3026, 131912), (3916, 101932), (5996, 66572), (6052, 65956), (7832, 50966), (11992, 33286), (12104, 32978), (15664, 25483), (16489, 24208), (16643, 23984)]