268677550

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:853

約数の個数: 48

約数和(自身を含む): 512435952

約数和(自身を除く): 243758402

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 137, 274, 305, 610, 643, 685, 1286, 1370, 1525, 3050, 3215, 3425, 6430, 6850, 8357, 16075, 16714, 32150, 39223, 41785, 78446, 83570, 88091, 176182, 196115, 208925, 392230, 417850, 440455, 880910, 980575, 1961150, 2202275, 4404550, 5373551, 10747102, 26867755, 53735510, 134338775, 268677550]

約数ペア:

[(1, 268677550), (2, 134338775), (5, 53735510), (10, 26867755), (25, 10747102), (50, 5373551), (61, 4404550), (122, 2202275), (137, 1961150), (274, 980575), (305, 880910), (610, 440455), (643, 417850), (685, 392230), (1286, 208925), (1370, 196115), (1525, 176182), (3050, 88091), (3215, 83570), (3425, 78446), (6430, 41785), (6850, 39223), (8357, 32150), (16075, 16714)]