20191305890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{5779}}^1$

素因数の和:5920

約数の個数: 128

約数和(自身を含む): 45544550400

約数和(自身を除く): 25353244510

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 37, 38, 70, 71, 74, 95, 133, 142, 185, 190, 259, 266, 355, 370, 497, 518, 665, 703, 710, 994, 1295, 1330, 1349, 1406, 2485, 2590, 2627, 2698, 3515, 4921, 4970, 5254, 5779, 6745, 7030, 9443, 9842, 11558, 13135, 13490, 18389, 18886, 24605, 26270, 28895, 36778, 40453, 47215, 49210, 49913, 57790, 80906, 91945, 94430, 99826, 109801, 183890, 202265, 213823, 219602, 249565, 349391, 404530, 410309, 427646, 499130, 549005, 698782, 768607, 820618, 1069115, 1098010, 1496761, 1537214, 1746955, 2051545, 2138230, 2872163, 2993522, 3493910, 3843035, 4062637, 4103090, 5744326, 7483805, 7686070, 7795871, 8125274, 14360815, 14967610, 15181433, 15591742, 20313185, 28438459, 28721630, 30362866, 38979355, 40626370, 54571097, 56876918, 75907165, 77958710, 106270031, 109142194, 142192295, 151814330, 212540062, 272855485, 284384590, 288447227, 531350155, 545710970, 576894454, 1062700310, 1442236135, 2019130589, 2884472270, 4038261178, 10095652945, 20191305890]

約数ペア:

[(1, 20191305890), (2, 10095652945), (5, 4038261178), (7, 2884472270), (10, 2019130589), (14, 1442236135), (19, 1062700310), (35, 576894454), (37, 545710970), (38, 531350155), (70, 288447227), (71, 284384590), (74, 272855485), (95, 212540062), (133, 151814330), (142, 142192295), (185, 109142194), (190, 106270031), (259, 77958710), (266, 75907165), (355, 56876918), (370, 54571097), (497, 40626370), (518, 38979355), (665, 30362866), (703, 28721630), (710, 28438459), (994, 20313185), (1295, 15591742), (1330, 15181433), (1349, 14967610), (1406, 14360815), (2485, 8125274), (2590, 7795871), (2627, 7686070), (2698, 7483805), (3515, 5744326), (4921, 4103090), (4970, 4062637), (5254, 3843035), (5779, 3493910), (6745, 2993522), (7030, 2872163), (9443, 2138230), (9842, 2051545), (11558, 1746955), (13135, 1537214), (13490, 1496761), (18389, 1098010), (18886, 1069115), (24605, 820618), (26270, 768607), (28895, 698782), (36778, 549005), (40453, 499130), (47215, 427646), (49210, 410309), (49913, 404530), (57790, 349391), (80906, 249565), (91945, 219602), (94430, 213823), (99826, 202265), (109801, 183890)]