255444448

素因数分解:

$2^5\times 7^3\times {\mathrm{17}}^1\times {\mathrm{37}}^2$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 638215200

約数和(自身を除く): 382770752

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 37, 49, 56, 68, 74, 98, 112, 119, 136, 148, 196, 224, 238, 259, 272, 296, 343, 392, 476, 518, 544, 592, 629, 686, 784, 833, 952, 1036, 1184, 1258, 1369, 1372, 1568, 1666, 1813, 1904, 2072, 2516, 2738, 2744, 3332, 3626, 3808, 4144, 4403, 5032, 5476, 5488, 5831, 6664, 7252, 8288, 8806, 9583, 10064, 10952, 10976, 11662, 12691, 13328, 14504, 17612, 19166, 20128, 21904, 23273, 23324, 25382, 26656, 29008, 30821, 35224, 38332, 43808, 46546, 46648, 50764, 58016, 61642, 67081, 70448, 76664, 93092, 93296, 101528, 123284, 134162, 140896, 153328, 162911, 186184, 186592, 203056, 215747, 246568, 268324, 306656, 325822, 372368, 406112, 431494, 469567, 493136, 536648, 651644, 744736, 862988, 939134, 986272, 1073296, 1140377, 1303288, 1725976, 1878268, 2146592, 2280754, 2606576, 3451952, 3756536, 4561508, 5213152, 6903904, 7513072, 7982639, 9123016, 15026144, 15965278, 18246032, 31930556, 36492064, 63861112, 127722224, 255444448]

約数ペア:

[(1, 255444448), (2, 127722224), (4, 63861112), (7, 36492064), (8, 31930556), (14, 18246032), (16, 15965278), (17, 15026144), (28, 9123016), (32, 7982639), (34, 7513072), (37, 6903904), (49, 5213152), (56, 4561508), (68, 3756536), (74, 3451952), (98, 2606576), (112, 2280754), (119, 2146592), (136, 1878268), (148, 1725976), (196, 1303288), (224, 1140377), (238, 1073296), (259, 986272), (272, 939134), (296, 862988), (343, 744736), (392, 651644), (476, 536648), (518, 493136), (544, 469567), (592, 431494), (629, 406112), (686, 372368), (784, 325822), (833, 306656), (952, 268324), (1036, 246568), (1184, 215747), (1258, 203056), (1369, 186592), (1372, 186184), (1568, 162911), (1666, 153328), (1813, 140896), (1904, 134162), (2072, 123284), (2516, 101528), (2738, 93296), (2744, 93092), (3332, 76664), (3626, 70448), (3808, 67081), (4144, 61642), (4403, 58016), (5032, 50764), (5476, 46648), (5488, 46546), (5831, 43808), (6664, 38332), (7252, 35224), (8288, 30821), (8806, 29008), (9583, 26656), (10064, 25382), (10952, 23324), (10976, 23273), (11662, 21904), (12691, 20128), (13328, 19166), (14504, 17612)]