428806.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 3362688

約数和(自身を除く): 1961068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 277, 460, 506, 554, 1012, 1108, 1265, 1385, 2530, 2770, 3047, 5060, 5540, 6094, 6371, 12188, 12742, 15235, 25484, 30470, 31855, 60940, 63710, 70081, 127420, 140162, 280324, 350405, 700810, 1401620]

約数ペア:

[(1, 1401620), (2, 700810), (4, 350405), (5, 280324), (10, 140162), (11, 127420), (20, 70081), (22, 63710), (23, 60940), (44, 31855), (46, 30470), (55, 25484), (92, 15235), (110, 12742), (115, 12188), (220, 6371), (230, 6094), (253, 5540), (277, 5060), (460, 3047), (506, 2770), (554, 2530), (1012, 1385), (1108, 1265)]