254941568

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 616896000

約数和(自身を除く): 361954432

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 89, 92, 112, 128, 139, 161, 178, 184, 224, 278, 322, 356, 368, 448, 556, 623, 644, 712, 736, 896, 973, 1112, 1246, 1288, 1424, 1472, 1946, 2047, 2224, 2492, 2576, 2848, 2944, 3197, 3892, 4094, 4448, 4984, 5152, 5696, 6394, 7784, 8188, 8896, 9968, 10304, 11392, 12371, 12788, 14329, 15568, 16376, 17792, 19936, 20608, 22379, 24742, 25576, 28658, 31136, 32752, 39872, 44758, 49484, 51152, 57316, 62272, 65504, 79744, 86597, 89516, 98968, 102304, 114632, 124544, 131008, 173194, 179032, 197936, 204608, 229264, 262016, 284533, 346388, 358064, 395872, 409216, 458528, 569066, 692776, 716128, 791744, 917056, 1138132, 1385552, 1432256, 1583488, 1834112, 1991731, 2276264, 2771104, 2864512, 3983462, 4552528, 5542208, 7966924, 9105056, 11084416, 15933848, 18210112, 31867696, 36420224, 63735392, 127470784, 254941568]

約数ペア:

[(1, 254941568), (2, 127470784), (4, 63735392), (7, 36420224), (8, 31867696), (14, 18210112), (16, 15933848), (23, 11084416), (28, 9105056), (32, 7966924), (46, 5542208), (56, 4552528), (64, 3983462), (89, 2864512), (92, 2771104), (112, 2276264), (128, 1991731), (139, 1834112), (161, 1583488), (178, 1432256), (184, 1385552), (224, 1138132), (278, 917056), (322, 791744), (356, 716128), (368, 692776), (448, 569066), (556, 458528), (623, 409216), (644, 395872), (712, 358064), (736, 346388), (896, 284533), (973, 262016), (1112, 229264), (1246, 204608), (1288, 197936), (1424, 179032), (1472, 173194), (1946, 131008), (2047, 124544), (2224, 114632), (2492, 102304), (2576, 98968), (2848, 89516), (2944, 86597), (3197, 79744), (3892, 65504), (4094, 62272), (4448, 57316), (4984, 51152), (5152, 49484), (5696, 44758), (6394, 39872), (7784, 32752), (8188, 31136), (8896, 28658), (9968, 25576), (10304, 24742), (11392, 22379), (12371, 20608), (12788, 19936), (14329, 17792), (15568, 16376)]