496093780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 192

約数和(自身を含む): 1351365120

約数和(自身を除く): 855271340

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 52, 53, 65, 70, 74, 91, 106, 130, 139, 140, 148, 182, 185, 212, 259, 260, 265, 278, 364, 370, 371, 455, 481, 518, 530, 556, 689, 695, 740, 742, 910, 962, 973, 1036, 1060, 1295, 1378, 1390, 1484, 1807, 1820, 1855, 1924, 1946, 1961, 2405, 2590, 2756, 2780, 3367, 3445, 3614, 3710, 3892, 3922, 4810, 4823, 4865, 5143, 5180, 6734, 6890, 7228, 7367, 7420, 7844, 9035, 9620, 9646, 9730, 9805, 10286, 12649, 13468, 13727, 13780, 14734, 16835, 18070, 19292, 19460, 19610, 20572, 24115, 25298, 25493, 25715, 27454, 29468, 33670, 36001, 36140, 36835, 39220, 48230, 50596, 50986, 51430, 51569, 54908, 63245, 66859, 67340, 68635, 72002, 73670, 95771, 96460, 101972, 102860, 103138, 126490, 127465, 133718, 137270, 144004, 147340, 178451, 180005, 191542, 206276, 252980, 254930, 257845, 267436, 272579, 274540, 334295, 356902, 360010, 383084, 468013, 478855, 509860, 515690, 545158, 668590, 670397, 713804, 720020, 892255, 936026, 957710, 1031380, 1090316, 1337180, 1340794, 1362895, 1784510, 1872052, 1908053, 1915420, 2340065, 2681588, 2725790, 3351985, 3543527, 3569020, 3816106, 4680130, 5451580, 6703970, 7087054, 7632212, 9360260, 9540265, 13407940, 14174108, 17717635, 19080530, 24804689, 35435270, 38161060, 49609378, 70870540, 99218756, 124023445, 248046890, 496093780]

約数ペア:

[(1, 496093780), (2, 248046890), (4, 124023445), (5, 99218756), (7, 70870540), (10, 49609378), (13, 38161060), (14, 35435270), (20, 24804689), (26, 19080530), (28, 17717635), (35, 14174108), (37, 13407940), (52, 9540265), (53, 9360260), (65, 7632212), (70, 7087054), (74, 6703970), (91, 5451580), (106, 4680130), (130, 3816106), (139, 3569020), (140, 3543527), (148, 3351985), (182, 2725790), (185, 2681588), (212, 2340065), (259, 1915420), (260, 1908053), (265, 1872052), (278, 1784510), (364, 1362895), (370, 1340794), (371, 1337180), (455, 1090316), (481, 1031380), (518, 957710), (530, 936026), (556, 892255), (689, 720020), (695, 713804), (740, 670397), (742, 668590), (910, 545158), (962, 515690), (973, 509860), (1036, 478855), (1060, 468013), (1295, 383084), (1378, 360010), (1390, 356902), (1484, 334295), (1807, 274540), (1820, 272579), (1855, 267436), (1924, 257845), (1946, 254930), (1961, 252980), (2405, 206276), (2590, 191542), (2756, 180005), (2780, 178451), (3367, 147340), (3445, 144004), (3614, 137270), (3710, 133718), (3892, 127465), (3922, 126490), (4810, 103138), (4823, 102860), (4865, 101972), (5143, 96460), (5180, 95771), (6734, 73670), (6890, 72002), (7228, 68635), (7367, 67340), (7420, 66859), (7844, 63245), (9035, 54908), (9620, 51569), (9646, 51430), (9730, 50986), (9805, 50596), (10286, 48230), (12649, 39220), (13468, 36835), (13727, 36140), (13780, 36001), (14734, 33670), (16835, 29468), (18070, 27454), (19292, 25715), (19460, 25493), (19610, 25298), (20572, 24115)]