64364440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{32839}}^1$

素因数の和:32864

約数の個数: 48

約数和(自身を含む): 168469200

約数和(自身を除く): 104104760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 32839, 65678, 131356, 164195, 229873, 262712, 328390, 459746, 656780, 919492, 1149365, 1313560, 1609111, 1838984, 2298730, 3218222, 4597460, 6436444, 8045555, 9194920, 12872888, 16091110, 32182220, 64364440]

約数ペア:

[(1, 64364440), (2, 32182220), (4, 16091110), (5, 12872888), (7, 9194920), (8, 8045555), (10, 6436444), (14, 4597460), (20, 3218222), (28, 2298730), (35, 1838984), (40, 1609111), (49, 1313560), (56, 1149365), (70, 919492), (98, 656780), (140, 459746), (196, 328390), (245, 262712), (280, 229873), (392, 164195), (490, 131356), (980, 65678), (1960, 32839)]