279401148

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:404

約数の個数: 144

約数和(自身を含む): 804638016

約数和(自身を除く): 525236868

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 101, 117, 138, 156, 202, 207, 234, 257, 276, 299, 303, 404, 414, 468, 514, 598, 606, 771, 828, 897, 909, 1028, 1196, 1212, 1313, 1542, 1794, 1818, 2313, 2323, 2626, 2691, 3084, 3341, 3588, 3636, 3939, 4626, 4646, 5252, 5382, 5911, 6682, 6969, 7878, 9252, 9292, 10023, 10764, 11817, 11822, 13364, 13938, 15756, 17733, 20046, 20907, 23634, 23644, 25957, 27876, 30069, 30199, 35466, 40092, 41814, 47268, 51914, 53199, 60138, 60398, 70932, 76843, 77871, 83628, 90597, 103828, 106398, 120276, 120796, 153686, 155742, 181194, 212796, 230529, 233613, 271791, 307372, 311484, 337441, 362388, 461058, 467226, 543582, 597011, 674882, 691587, 922116, 934452, 1012323, 1087164, 1194022, 1349764, 1383174, 1791033, 2024646, 2388044, 2766348, 3036969, 3582066, 4049292, 5373099, 6073938, 7164132, 7761143, 10746198, 12147876, 15522286, 21492396, 23283429, 31044572, 46566858, 69850287, 93133716, 139700574, 279401148]

約数ペア:

[(1, 279401148), (2, 139700574), (3, 93133716), (4, 69850287), (6, 46566858), (9, 31044572), (12, 23283429), (13, 21492396), (18, 15522286), (23, 12147876), (26, 10746198), (36, 7761143), (39, 7164132), (46, 6073938), (52, 5373099), (69, 4049292), (78, 3582066), (92, 3036969), (101, 2766348), (117, 2388044), (138, 2024646), (156, 1791033), (202, 1383174), (207, 1349764), (234, 1194022), (257, 1087164), (276, 1012323), (299, 934452), (303, 922116), (404, 691587), (414, 674882), (468, 597011), (514, 543582), (598, 467226), (606, 461058), (771, 362388), (828, 337441), (897, 311484), (909, 307372), (1028, 271791), (1196, 233613), (1212, 230529), (1313, 212796), (1542, 181194), (1794, 155742), (1818, 153686), (2313, 120796), (2323, 120276), (2626, 106398), (2691, 103828), (3084, 90597), (3341, 83628), (3588, 77871), (3636, 76843), (3939, 70932), (4626, 60398), (4646, 60138), (5252, 53199), (5382, 51914), (5911, 47268), (6682, 41814), (6969, 40092), (7878, 35466), (9252, 30199), (9292, 30069), (10023, 27876), (10764, 25957), (11817, 23644), (11822, 23634), (13364, 20907), (13938, 20046), (15756, 17733)]