427123720

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{41549}}^1$

素因数の和:41817

約数の個数: 32

約数和(自身を含む): 964791000

約数和(自身を除く): 537667280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 41549, 83098, 166196, 207745, 332392, 415490, 830980, 1661960, 10678093, 21356186, 42712372, 53390465, 85424744, 106780930, 213561860, 427123720]

約数ペア:

[(1, 427123720), (2, 213561860), (4, 106780930), (5, 85424744), (8, 53390465), (10, 42712372), (20, 21356186), (40, 10678093), (257, 1661960), (514, 830980), (1028, 415490), (1285, 332392), (2056, 207745), (2570, 166196), (5140, 83098), (10280, 41549)]