1567985020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{68711}}^1$

素因数の和:68890

約数の個数: 48

約数和(自身を含む): 3786306048

約数和(自身を除く): 2218321028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 4564, 5705, 11410, 22820, 68711, 137422, 274844, 343555, 480977, 687110, 961954, 1374220, 1923908, 2404885, 4809770, 9619540, 11199893, 22399786, 44799572, 55999465, 78399251, 111998930, 156798502, 223997860, 313597004, 391996255, 783992510, 1567985020]

約数ペア:

[(1, 1567985020), (2, 783992510), (4, 391996255), (5, 313597004), (7, 223997860), (10, 156798502), (14, 111998930), (20, 78399251), (28, 55999465), (35, 44799572), (70, 22399786), (140, 11199893), (163, 9619540), (326, 4809770), (652, 2404885), (815, 1923908), (1141, 1374220), (1630, 961954), (2282, 687110), (3260, 480977), (4564, 343555), (5705, 274844), (11410, 137422), (22820, 68711)]