2011780030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:290

約数の個数: 128

約数和(自身を含む): 4180377600

約数和(自身を除く): 2168597570

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 71, 79, 89, 130, 142, 155, 158, 178, 310, 355, 395, 403, 445, 710, 790, 806, 890, 923, 1027, 1157, 1846, 2015, 2054, 2201, 2314, 2449, 2759, 4030, 4402, 4615, 4898, 5135, 5518, 5609, 5785, 6319, 7031, 9230, 10270, 11005, 11218, 11570, 12245, 12638, 13795, 14062, 22010, 24490, 27590, 28045, 28613, 31595, 31837, 35155, 35867, 56090, 57226, 63190, 63674, 70310, 71734, 72917, 82147, 91403, 143065, 145834, 159185, 164294, 173879, 179335, 182806, 195889, 217961, 286130, 318370, 347758, 358670, 364585, 391778, 410735, 435922, 457015, 499201, 729170, 821470, 869395, 914030, 979445, 998402, 1089805, 1738790, 1958890, 2179610, 2260427, 2496005, 2546557, 2833493, 4520854, 4992010, 5093114, 5666986, 6489613, 11302135, 12732785, 12979226, 14167465, 15475231, 22604270, 25465570, 28334930, 30950462, 32448065, 64896130, 77376155, 154752310, 201178003, 402356006, 1005890015, 2011780030]

約数ペア:

[(1, 2011780030), (2, 1005890015), (5, 402356006), (10, 201178003), (13, 154752310), (26, 77376155), (31, 64896130), (62, 32448065), (65, 30950462), (71, 28334930), (79, 25465570), (89, 22604270), (130, 15475231), (142, 14167465), (155, 12979226), (158, 12732785), (178, 11302135), (310, 6489613), (355, 5666986), (395, 5093114), (403, 4992010), (445, 4520854), (710, 2833493), (790, 2546557), (806, 2496005), (890, 2260427), (923, 2179610), (1027, 1958890), (1157, 1738790), (1846, 1089805), (2015, 998402), (2054, 979445), (2201, 914030), (2314, 869395), (2449, 821470), (2759, 729170), (4030, 499201), (4402, 457015), (4615, 435922), (4898, 410735), (5135, 391778), (5518, 364585), (5609, 358670), (5785, 347758), (6319, 318370), (7031, 286130), (9230, 217961), (10270, 195889), (11005, 182806), (11218, 179335), (11570, 173879), (12245, 164294), (12638, 159185), (13795, 145834), (14062, 143065), (22010, 91403), (24490, 82147), (27590, 72917), (28045, 71734), (28613, 70310), (31595, 63674), (31837, 63190), (35155, 57226), (35867, 56090)]