31465940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{911}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 72624384

約数和(自身を除く): 41158444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 911, 1570, 1727, 1822, 3140, 3454, 3644, 4555, 6908, 8635, 9110, 10021, 17270, 18220, 20042, 34540, 40084, 50105, 100210, 143027, 200420, 286054, 572108, 715135, 1430270, 1573297, 2860540, 3146594, 6293188, 7866485, 15732970, 31465940]

約数ペア:

[(1, 31465940), (2, 15732970), (4, 7866485), (5, 6293188), (10, 3146594), (11, 2860540), (20, 1573297), (22, 1430270), (44, 715135), (55, 572108), (110, 286054), (157, 200420), (220, 143027), (314, 100210), (628, 50105), (785, 40084), (911, 34540), (1570, 20042), (1727, 18220), (1822, 17270), (3140, 10021), (3454, 9110), (3644, 8635), (4555, 6908)]