205034890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{10477}}^1$

素因数の和:10606

約数の個数: 32

約数和(自身を含む): 392296320

約数和(自身を除く): 187261430

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 190, 206, 515, 1030, 1957, 3914, 9785, 10477, 19570, 20954, 52385, 104770, 199063, 398126, 995315, 1079131, 1990630, 2158262, 5395655, 10791310, 20503489, 41006978, 102517445, 205034890]

約数ペア:

[(1, 205034890), (2, 102517445), (5, 41006978), (10, 20503489), (19, 10791310), (38, 5395655), (95, 2158262), (103, 1990630), (190, 1079131), (206, 995315), (515, 398126), (1030, 199063), (1957, 104770), (3914, 52385), (9785, 20954), (10477, 19570)]