199969504

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{3089}}^1$

素因数の和:3140

約数の個数: 72

約数和(自身を含む): 478109520

約数和(自身を除く): 278140016

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 289, 476, 544, 578, 952, 1156, 1904, 2023, 2312, 3089, 3808, 4046, 4624, 6178, 8092, 9248, 12356, 16184, 21623, 24712, 32368, 43246, 49424, 52513, 64736, 86492, 98848, 105026, 172984, 210052, 345968, 367591, 420104, 691936, 735182, 840208, 892721, 1470364, 1680416, 1785442, 2940728, 3570884, 5881456, 6249047, 7141768, 11762912, 12498094, 14283536, 24996188, 28567072, 49992376, 99984752, 199969504]

約数ペア:

[(1, 199969504), (2, 99984752), (4, 49992376), (7, 28567072), (8, 24996188), (14, 14283536), (16, 12498094), (17, 11762912), (28, 7141768), (32, 6249047), (34, 5881456), (56, 3570884), (68, 2940728), (112, 1785442), (119, 1680416), (136, 1470364), (224, 892721), (238, 840208), (272, 735182), (289, 691936), (476, 420104), (544, 367591), (578, 345968), (952, 210052), (1156, 172984), (1904, 105026), (2023, 98848), (2312, 86492), (3089, 64736), (3808, 52513), (4046, 49424), (4624, 43246), (6178, 32368), (8092, 24712), (9248, 21623), (12356, 16184)]