1457240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2143}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 3473280

約数和(自身を除く): 2016040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2143, 4286, 8572, 10715, 17144, 21430, 36431, 42860, 72862, 85720, 145724, 182155, 291448, 364310, 728620, 1457240]

約数ペア:

[(1, 1457240), (2, 728620), (4, 364310), (5, 291448), (8, 182155), (10, 145724), (17, 85720), (20, 72862), (34, 42860), (40, 36431), (68, 21430), (85, 17144), (136, 10715), (170, 8572), (340, 4286), (680, 2143)]