252928256

素因数分解:

$2^8\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 620067840

約数和(自身を除く): 367139584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 31, 32, 56, 58, 62, 64, 112, 116, 124, 128, 157, 203, 217, 224, 232, 248, 256, 314, 406, 434, 448, 464, 496, 628, 812, 868, 896, 899, 928, 992, 1099, 1256, 1624, 1736, 1792, 1798, 1856, 1984, 2198, 2512, 3248, 3472, 3596, 3712, 3968, 4396, 4553, 4867, 5024, 6293, 6496, 6944, 7192, 7424, 7936, 8792, 9106, 9734, 10048, 12586, 12992, 13888, 14384, 17584, 18212, 19468, 20096, 25172, 25984, 27776, 28768, 31871, 34069, 35168, 36424, 38936, 40192, 50344, 51968, 55552, 57536, 63742, 68138, 70336, 72848, 77872, 100688, 115072, 127484, 136276, 140672, 141143, 145696, 155744, 201376, 230144, 254968, 272552, 281344, 282286, 291392, 311488, 402752, 509936, 545104, 564572, 582784, 622976, 805504, 988001, 1019872, 1090208, 1129144, 1165568, 1245952, 1611008, 1976002, 2039744, 2180416, 2258288, 3952004, 4079488, 4360832, 4516576, 7904008, 8158976, 8721664, 9033152, 15808016, 18066304, 31616032, 36132608, 63232064, 126464128, 252928256]

約数ペア:

[(1, 252928256), (2, 126464128), (4, 63232064), (7, 36132608), (8, 31616032), (14, 18066304), (16, 15808016), (28, 9033152), (29, 8721664), (31, 8158976), (32, 7904008), (56, 4516576), (58, 4360832), (62, 4079488), (64, 3952004), (112, 2258288), (116, 2180416), (124, 2039744), (128, 1976002), (157, 1611008), (203, 1245952), (217, 1165568), (224, 1129144), (232, 1090208), (248, 1019872), (256, 988001), (314, 805504), (406, 622976), (434, 582784), (448, 564572), (464, 545104), (496, 509936), (628, 402752), (812, 311488), (868, 291392), (896, 282286), (899, 281344), (928, 272552), (992, 254968), (1099, 230144), (1256, 201376), (1624, 155744), (1736, 145696), (1792, 141143), (1798, 140672), (1856, 136276), (1984, 127484), (2198, 115072), (2512, 100688), (3248, 77872), (3472, 72848), (3596, 70336), (3712, 68138), (3968, 63742), (4396, 57536), (4553, 55552), (4867, 51968), (5024, 50344), (6293, 40192), (6496, 38936), (6944, 36424), (7192, 35168), (7424, 34069), (7936, 31871), (8792, 28768), (9106, 27776), (9734, 25984), (10048, 25172), (12586, 20096), (12992, 19468), (13888, 18212), (14384, 17584)]