77995210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{4409}}^1$

素因数の和:4506

約数の個数: 32

約数和(自身を含む): 147646800

約数和(自身を除く): 69651590

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1769, 3538, 4409, 8818, 8845, 17690, 22045, 44090, 127861, 255722, 268949, 537898, 639305, 1278610, 1344745, 2689490, 7799521, 15599042, 38997605, 77995210]

約数ペア:

[(1, 77995210), (2, 38997605), (5, 15599042), (10, 7799521), (29, 2689490), (58, 1344745), (61, 1278610), (122, 639305), (145, 537898), (290, 268949), (305, 255722), (610, 127861), (1769, 44090), (3538, 22045), (4409, 17690), (8818, 8845)]