344778820

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{373}}^1\times {\mathrm{409}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 734191920

約数和(自身を除く): 389413100

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 373, 409, 452, 565, 746, 818, 1130, 1492, 1636, 1865, 2045, 2260, 3730, 4090, 7460, 8180, 42149, 46217, 84298, 92434, 152557, 168596, 184868, 210745, 231085, 305114, 421490, 462170, 610228, 762785, 842980, 924340, 1525570, 3051140, 17238941, 34477882, 68955764, 86194705, 172389410, 344778820]

約数ペア:

[(1, 344778820), (2, 172389410), (4, 86194705), (5, 68955764), (10, 34477882), (20, 17238941), (113, 3051140), (226, 1525570), (373, 924340), (409, 842980), (452, 762785), (565, 610228), (746, 462170), (818, 421490), (1130, 305114), (1492, 231085), (1636, 210745), (1865, 184868), (2045, 168596), (2260, 152557), (3730, 92434), (4090, 84298), (7460, 46217), (8180, 42149)]