28427800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{7481}}^1$

素因数の和:7516

約数の個数: 48

約数和(自身を含む): 69582600

約数和(自身を除く): 41154800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 7481, 14962, 29924, 37405, 59848, 74810, 142139, 149620, 187025, 284278, 299240, 374050, 568556, 710695, 748100, 1137112, 1421390, 1496200, 2842780, 3553475, 5685560, 7106950, 14213900, 28427800]

約数ペア:

[(1, 28427800), (2, 14213900), (4, 7106950), (5, 5685560), (8, 3553475), (10, 2842780), (19, 1496200), (20, 1421390), (25, 1137112), (38, 748100), (40, 710695), (50, 568556), (76, 374050), (95, 299240), (100, 284278), (152, 187025), (190, 149620), (200, 142139), (380, 74810), (475, 59848), (760, 37405), (950, 29924), (1900, 14962), (3800, 7481)]