449015980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{168803}}^1$

素因数の和:168838

約数の個数: 48

約数和(自身を含む): 1134362880

約数和(自身を除く): 685346900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 168803, 337606, 675212, 844015, 1181621, 1688030, 2363242, 3207257, 3376060, 4726484, 5908105, 6414514, 11816210, 12829028, 16036285, 22450799, 23632420, 32072570, 44901598, 64145140, 89803196, 112253995, 224507990, 449015980]

約数ペア:

[(1, 449015980), (2, 224507990), (4, 112253995), (5, 89803196), (7, 64145140), (10, 44901598), (14, 32072570), (19, 23632420), (20, 22450799), (28, 16036285), (35, 12829028), (38, 11816210), (70, 6414514), (76, 5908105), (95, 4726484), (133, 3376060), (140, 3207257), (190, 2363242), (266, 1688030), (380, 1181621), (532, 844015), (665, 675212), (1330, 337606), (2660, 168803)]