1200018820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8563}}^1$

素因数の和:8610

約数の個数: 144

約数和(自身を含む): 3444372288

約数和(自身を除く): 2244353468

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 130, 140, 143, 154, 182, 196, 220, 245, 260, 286, 308, 364, 385, 455, 490, 539, 572, 637, 715, 770, 910, 980, 1001, 1078, 1274, 1430, 1540, 1820, 2002, 2156, 2548, 2695, 2860, 3185, 4004, 5005, 5390, 6370, 7007, 8563, 10010, 10780, 12740, 14014, 17126, 20020, 28028, 34252, 35035, 42815, 59941, 70070, 85630, 94193, 111319, 119882, 140140, 171260, 188386, 222638, 239764, 299705, 376772, 419587, 445276, 470965, 556595, 599410, 659351, 779233, 839174, 941930, 1113190, 1198820, 1224509, 1318702, 1558466, 1678348, 1883860, 2097935, 2226380, 2449018, 2637404, 3116932, 3296755, 3896165, 4195870, 4615457, 4898036, 5454631, 6122545, 6593510, 7792330, 8391740, 8571563, 9230914, 10909262, 12245090, 13187020, 15584660, 17143126, 18461828, 21818524, 23077285, 24490180, 27273155, 34286252, 42857815, 46154570, 54546310, 60000941, 85715630, 92309140, 109092620, 120001882, 171431260, 240003764, 300004705, 600009410, 1200018820]

約数ペア:

[(1, 1200018820), (2, 600009410), (4, 300004705), (5, 240003764), (7, 171431260), (10, 120001882), (11, 109092620), (13, 92309140), (14, 85715630), (20, 60000941), (22, 54546310), (26, 46154570), (28, 42857815), (35, 34286252), (44, 27273155), (49, 24490180), (52, 23077285), (55, 21818524), (65, 18461828), (70, 17143126), (77, 15584660), (91, 13187020), (98, 12245090), (110, 10909262), (130, 9230914), (140, 8571563), (143, 8391740), (154, 7792330), (182, 6593510), (196, 6122545), (220, 5454631), (245, 4898036), (260, 4615457), (286, 4195870), (308, 3896165), (364, 3296755), (385, 3116932), (455, 2637404), (490, 2449018), (539, 2226380), (572, 2097935), (637, 1883860), (715, 1678348), (770, 1558466), (910, 1318702), (980, 1224509), (1001, 1198820), (1078, 1113190), (1274, 941930), (1430, 839174), (1540, 779233), (1820, 659351), (2002, 599410), (2156, 556595), (2548, 470965), (2695, 445276), (2860, 419587), (3185, 376772), (4004, 299705), (5005, 239764), (5390, 222638), (6370, 188386), (7007, 171260), (8563, 140140), (10010, 119882), (10780, 111319), (12740, 94193), (14014, 85630), (17126, 70070), (20020, 59941), (28028, 42815), (34252, 35035)]