227901620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{1123}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 489074880

約数和(自身を除く): 261173260

約数列:

[1, 2, 4, 5, 10, 20, 73, 139, 146, 278, 292, 365, 556, 695, 730, 1123, 1390, 1460, 2246, 2780, 4492, 5615, 10147, 11230, 20294, 22460, 40588, 50735, 81979, 101470, 156097, 163958, 202940, 312194, 327916, 409895, 624388, 780485, 819790, 1560970, 1639580, 3121940, 11395081, 22790162, 45580324, 56975405, 113950810, 227901620]

約数ペア:

[(1, 227901620), (2, 113950810), (4, 56975405), (5, 45580324), (10, 22790162), (20, 11395081), (73, 3121940), (139, 1639580), (146, 1560970), (278, 819790), (292, 780485), (365, 624388), (556, 409895), (695, 327916), (730, 312194), (1123, 202940), (1390, 163958), (1460, 156097), (2246, 101470), (2780, 81979), (4492, 50735), (5615, 40588), (10147, 22460), (11230, 20294)]