254749568

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 557073000

約数和(自身を除く): 302323432

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 109, 124, 128, 152, 218, 248, 304, 436, 496, 589, 608, 872, 961, 992, 1178, 1216, 1744, 1922, 1984, 2071, 2356, 2432, 3379, 3488, 3844, 3968, 4142, 4712, 6758, 6976, 7688, 8284, 9424, 13516, 13952, 15376, 16568, 18259, 18848, 27032, 30752, 33136, 36518, 37696, 54064, 61504, 64201, 66272, 73036, 75392, 104749, 108128, 123008, 128402, 132544, 146072, 209498, 216256, 256804, 265088, 292144, 418996, 432512, 513608, 584288, 837992, 1027216, 1168576, 1675984, 1990231, 2054432, 2337152, 3351968, 3980462, 4108864, 6703936, 7960924, 8217728, 13407872, 15921848, 31843696, 63687392, 127374784, 254749568]

約数ペア:

[(1, 254749568), (2, 127374784), (4, 63687392), (8, 31843696), (16, 15921848), (19, 13407872), (31, 8217728), (32, 7960924), (38, 6703936), (62, 4108864), (64, 3980462), (76, 3351968), (109, 2337152), (124, 2054432), (128, 1990231), (152, 1675984), (218, 1168576), (248, 1027216), (304, 837992), (436, 584288), (496, 513608), (589, 432512), (608, 418996), (872, 292144), (961, 265088), (992, 256804), (1178, 216256), (1216, 209498), (1744, 146072), (1922, 132544), (1984, 128402), (2071, 123008), (2356, 108128), (2432, 104749), (3379, 75392), (3488, 73036), (3844, 66272), (3968, 64201), (4142, 61504), (4712, 54064), (6758, 37696), (6976, 36518), (7688, 33136), (8284, 30752), (9424, 27032), (13516, 18848), (13952, 18259), (15376, 16568)]