220744048

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{607}}^1$

素因数の和:830

約数の個数: 80

約数和(自身を含む): 521109504

約数和(自身を除く): 300365456

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 191, 238, 272, 382, 476, 607, 764, 952, 1214, 1337, 1528, 1904, 2428, 2674, 3056, 3247, 4249, 4856, 5348, 6494, 8498, 9712, 10319, 10696, 12988, 16996, 20638, 21392, 22729, 25976, 33992, 41276, 45458, 51952, 67984, 72233, 82552, 90916, 115937, 144466, 165104, 181832, 231874, 288932, 363664, 463748, 577864, 811559, 927496, 1155728, 1623118, 1854992, 1970929, 3246236, 3941858, 6492472, 7883716, 12984944, 13796503, 15767432, 27593006, 31534864, 55186012, 110372024, 220744048]

約数ペア:

[(1, 220744048), (2, 110372024), (4, 55186012), (7, 31534864), (8, 27593006), (14, 15767432), (16, 13796503), (17, 12984944), (28, 7883716), (34, 6492472), (56, 3941858), (68, 3246236), (112, 1970929), (119, 1854992), (136, 1623118), (191, 1155728), (238, 927496), (272, 811559), (382, 577864), (476, 463748), (607, 363664), (764, 288932), (952, 231874), (1214, 181832), (1337, 165104), (1528, 144466), (1904, 115937), (2428, 90916), (2674, 82552), (3056, 72233), (3247, 67984), (4249, 51952), (4856, 45458), (5348, 41276), (6494, 33992), (8498, 25976), (9712, 22729), (10319, 21392), (10696, 20638), (12988, 16996)]