145699280

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{8167}}^1$

素因数の和:8403

約数の個数: 40

約数和(自身を含む): 340311552

約数和(自身を除く): 194612272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 8167, 8920, 16334, 17840, 32668, 40835, 65336, 81670, 130672, 163340, 326680, 653360, 1821241, 3642482, 7284964, 9106205, 14569928, 18212410, 29139856, 36424820, 72849640, 145699280]

約数ペア:

[(1, 145699280), (2, 72849640), (4, 36424820), (5, 29139856), (8, 18212410), (10, 14569928), (16, 9106205), (20, 7284964), (40, 3642482), (80, 1821241), (223, 653360), (446, 326680), (892, 163340), (1115, 130672), (1784, 81670), (2230, 65336), (3568, 40835), (4460, 32668), (8167, 17840), (8920, 16334)]