2211700540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{87281}}^1$

素因数の和:87478

約数の個数: 48

約数和(自身を含む): 5337468864

約数和(自身を除く): 3125768324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2534, 3620, 5068, 6335, 12670, 25340, 87281, 174562, 349124, 436405, 610967, 872810, 1221934, 1745620, 2443868, 3054835, 6109670, 12219340, 15797861, 31595722, 63191444, 78989305, 110585027, 157978610, 221170054, 315957220, 442340108, 552925135, 1105850270, 2211700540]

約数ペア:

[(1, 2211700540), (2, 1105850270), (4, 552925135), (5, 442340108), (7, 315957220), (10, 221170054), (14, 157978610), (20, 110585027), (28, 78989305), (35, 63191444), (70, 31595722), (140, 15797861), (181, 12219340), (362, 6109670), (724, 3054835), (905, 2443868), (1267, 1745620), (1810, 1221934), (2534, 872810), (3620, 610967), (5068, 436405), (6335, 349124), (12670, 174562), (25340, 87281)]