20155834930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:705

約数の個数: 192

約数和(自身を含む): 47490831360

約数和(自身を除く): 27334996430

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 41, 49, 55, 70, 77, 82, 98, 110, 154, 205, 223, 245, 287, 385, 409, 410, 446, 451, 490, 539, 574, 770, 818, 902, 1078, 1115, 1435, 1561, 2009, 2045, 2230, 2255, 2453, 2695, 2863, 2870, 3122, 3157, 4018, 4090, 4499, 4510, 4906, 5390, 5726, 6314, 7805, 8998, 9143, 10045, 10927, 12265, 14315, 15610, 15785, 16769, 17171, 18286, 20041, 20090, 21854, 22099, 22495, 24530, 28630, 31493, 31570, 33538, 34342, 40082, 44198, 44990, 45715, 54635, 62986, 64001, 83845, 85855, 91207, 91430, 100205, 100573, 109270, 110495, 117383, 120197, 128002, 157465, 167690, 171710, 182414, 184459, 200410, 201146, 220451, 220990, 234766, 240394, 314930, 320005, 368918, 440902, 448007, 456035, 502865, 586915, 600985, 638449, 640010, 704011, 821681, 896014, 912070, 922295, 1003277, 1005730, 1102255, 1173830, 1201970, 1276898, 1291213, 1408022, 1643362, 1844590, 2006554, 2204510, 2240035, 2582426, 3192245, 3520055, 3739487, 4108405, 4469143, 4480070, 4928077, 5016385, 6384490, 6456065, 7022939, 7040110, 7478974, 8216810, 8938286, 9038491, 9856154, 10032770, 12912130, 14045878, 18076982, 18697435, 22345715, 24640385, 26176409, 35114695, 37394870, 41134357, 44691430, 45192455, 49160573, 49280770, 52352818, 70229390, 82268714, 90384910, 98321146, 130882045, 183234863, 205671785, 245802865, 261764090, 287940499, 366469726, 411343570, 491605730, 575880998, 916174315, 1439702495, 1832348630, 2015583493, 2879404990, 4031166986, 10077917465, 20155834930]

約数ペア:

[(1, 20155834930), (2, 10077917465), (5, 4031166986), (7, 2879404990), (10, 2015583493), (11, 1832348630), (14, 1439702495), (22, 916174315), (35, 575880998), (41, 491605730), (49, 411343570), (55, 366469726), (70, 287940499), (77, 261764090), (82, 245802865), (98, 205671785), (110, 183234863), (154, 130882045), (205, 98321146), (223, 90384910), (245, 82268714), (287, 70229390), (385, 52352818), (409, 49280770), (410, 49160573), (446, 45192455), (451, 44691430), (490, 41134357), (539, 37394870), (574, 35114695), (770, 26176409), (818, 24640385), (902, 22345715), (1078, 18697435), (1115, 18076982), (1435, 14045878), (1561, 12912130), (2009, 10032770), (2045, 9856154), (2230, 9038491), (2255, 8938286), (2453, 8216810), (2695, 7478974), (2863, 7040110), (2870, 7022939), (3122, 6456065), (3157, 6384490), (4018, 5016385), (4090, 4928077), (4499, 4480070), (4510, 4469143), (4906, 4108405), (5390, 3739487), (5726, 3520055), (6314, 3192245), (7805, 2582426), (8998, 2240035), (9143, 2204510), (10045, 2006554), (10927, 1844590), (12265, 1643362), (14315, 1408022), (15610, 1291213), (15785, 1276898), (16769, 1201970), (17171, 1173830), (18286, 1102255), (20041, 1005730), (20090, 1003277), (21854, 922295), (22099, 912070), (22495, 896014), (24530, 821681), (28630, 704011), (31493, 640010), (31570, 638449), (33538, 600985), (34342, 586915), (40082, 502865), (44198, 456035), (44990, 448007), (45715, 440902), (54635, 368918), (62986, 320005), (64001, 314930), (83845, 240394), (85855, 234766), (91207, 220990), (91430, 220451), (100205, 201146), (100573, 200410), (109270, 184459), (110495, 182414), (117383, 171710), (120197, 167690), (128002, 157465)]