138740140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3917}}^1$

素因数の和:3967

約数の個数: 96

約数和(自身を含む): 379137024

約数和(自身を除く): 240396884

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 140, 154, 161, 220, 230, 253, 308, 322, 385, 460, 506, 644, 770, 805, 1012, 1265, 1540, 1610, 1771, 2530, 3220, 3542, 3917, 5060, 7084, 7834, 8855, 15668, 17710, 19585, 27419, 35420, 39170, 43087, 54838, 78340, 86174, 90091, 109676, 137095, 172348, 180182, 215435, 274190, 301609, 360364, 430870, 450455, 548380, 603218, 630637, 861740, 900910, 991001, 1206436, 1261274, 1508045, 1801820, 1982002, 2522548, 3016090, 3153185, 3964004, 4955005, 6032180, 6306370, 6937007, 9910010, 12612740, 13874014, 19820020, 27748028, 34685035, 69370070, 138740140]

約数ペア:

[(1, 138740140), (2, 69370070), (4, 34685035), (5, 27748028), (7, 19820020), (10, 13874014), (11, 12612740), (14, 9910010), (20, 6937007), (22, 6306370), (23, 6032180), (28, 4955005), (35, 3964004), (44, 3153185), (46, 3016090), (55, 2522548), (70, 1982002), (77, 1801820), (92, 1508045), (110, 1261274), (115, 1206436), (140, 991001), (154, 900910), (161, 861740), (220, 630637), (230, 603218), (253, 548380), (308, 450455), (322, 430870), (385, 360364), (460, 301609), (506, 274190), (644, 215435), (770, 180182), (805, 172348), (1012, 137095), (1265, 109676), (1540, 90091), (1610, 86174), (1771, 78340), (2530, 54838), (3220, 43087), (3542, 39170), (3917, 35420), (5060, 27419), (7084, 19585), (7834, 17710), (8855, 15668)]