394080340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^3\times {\mathrm{389}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 852742800

約数和(自身を除く): 458662460

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 389, 740, 778, 1369, 1556, 1945, 2738, 3890, 5476, 6845, 7780, 13690, 14393, 27380, 28786, 50653, 57572, 71965, 101306, 143930, 202612, 253265, 287860, 506530, 532541, 1013060, 1065082, 2130164, 2662705, 5325410, 10650820, 19704017, 39408034, 78816068, 98520085, 197040170, 394080340]

約数ペア:

[(1, 394080340), (2, 197040170), (4, 98520085), (5, 78816068), (10, 39408034), (20, 19704017), (37, 10650820), (74, 5325410), (148, 2662705), (185, 2130164), (370, 1065082), (389, 1013060), (740, 532541), (778, 506530), (1369, 287860), (1556, 253265), (1945, 202612), (2738, 143930), (3890, 101306), (5476, 71965), (6845, 57572), (7780, 50653), (13690, 28786), (14393, 27380)]