1209522820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{53377}}^1$

素因数の和:53500

約数の個数: 48

約数和(自身を含む): 2797861248

約数和(自身を除く): 1588338428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 1030, 1133, 2060, 2266, 4532, 5665, 11330, 22660, 53377, 106754, 213508, 266885, 533770, 587147, 1067540, 1174294, 2348588, 2935735, 5497831, 5871470, 10995662, 11742940, 21991324, 27489155, 54978310, 60476141, 109956620, 120952282, 241904564, 302380705, 604761410, 1209522820]

約数ペア:

[(1, 1209522820), (2, 604761410), (4, 302380705), (5, 241904564), (10, 120952282), (11, 109956620), (20, 60476141), (22, 54978310), (44, 27489155), (55, 21991324), (103, 11742940), (110, 10995662), (206, 5871470), (220, 5497831), (412, 2935735), (515, 2348588), (1030, 1174294), (1133, 1067540), (2060, 587147), (2266, 533770), (4532, 266885), (5665, 213508), (11330, 106754), (22660, 53377)]