108780980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{10091}}^1$

素因数の和:10125

約数の個数: 72

約数和(自身を含む): 289922976

約数和(自身を除く): 181141996

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10091, 10780, 20182, 40364, 50455, 70637, 100910, 111001, 141274, 201820, 222002, 282548, 353185, 444004, 494459, 555005, 706370, 777007, 988918, 1110010, 1412740, 1554014, 1977836, 2220020, 2472295, 3108028, 3885035, 4944590, 5439049, 7770070, 9889180, 10878098, 15540140, 21756196, 27195245, 54390490, 108780980]

約数ペア:

[(1, 108780980), (2, 54390490), (4, 27195245), (5, 21756196), (7, 15540140), (10, 10878098), (11, 9889180), (14, 7770070), (20, 5439049), (22, 4944590), (28, 3885035), (35, 3108028), (44, 2472295), (49, 2220020), (55, 1977836), (70, 1554014), (77, 1412740), (98, 1110010), (110, 988918), (140, 777007), (154, 706370), (196, 555005), (220, 494459), (245, 444004), (308, 353185), (385, 282548), (490, 222002), (539, 201820), (770, 141274), (980, 111001), (1078, 100910), (1540, 70637), (2156, 50455), (2695, 40364), (5390, 20182), (10091, 10780)]