251587072

素因数分解:

$2^9\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:202

約数の個数: 120

約数和(自身を含む): 574713216

約数和(自身を除く): 323126144

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 121, 124, 128, 131, 176, 242, 248, 256, 262, 341, 352, 484, 496, 512, 524, 682, 704, 968, 992, 1048, 1364, 1408, 1441, 1936, 1984, 2096, 2728, 2816, 2882, 3751, 3872, 3968, 4061, 4192, 5456, 5632, 5764, 7502, 7744, 7936, 8122, 8384, 10912, 11528, 15004, 15488, 15851, 15872, 16244, 16768, 21824, 23056, 30008, 30976, 31702, 32488, 33536, 43648, 44671, 46112, 60016, 61952, 63404, 64976, 67072, 87296, 89342, 92224, 120032, 126808, 129952, 174592, 178684, 184448, 240064, 253616, 259904, 357368, 368896, 480128, 491381, 507232, 519808, 714736, 737792, 960256, 982762, 1014464, 1039616, 1429472, 1920512, 1965524, 2028928, 2079232, 2858944, 3931048, 4057856, 5717888, 7862096, 8115712, 11435776, 15724192, 22871552, 31448384, 62896768, 125793536, 251587072]

約数ペア:

[(1, 251587072), (2, 125793536), (4, 62896768), (8, 31448384), (11, 22871552), (16, 15724192), (22, 11435776), (31, 8115712), (32, 7862096), (44, 5717888), (62, 4057856), (64, 3931048), (88, 2858944), (121, 2079232), (124, 2028928), (128, 1965524), (131, 1920512), (176, 1429472), (242, 1039616), (248, 1014464), (256, 982762), (262, 960256), (341, 737792), (352, 714736), (484, 519808), (496, 507232), (512, 491381), (524, 480128), (682, 368896), (704, 357368), (968, 259904), (992, 253616), (1048, 240064), (1364, 184448), (1408, 178684), (1441, 174592), (1936, 129952), (1984, 126808), (2096, 120032), (2728, 92224), (2816, 89342), (2882, 87296), (3751, 67072), (3872, 64976), (3968, 63404), (4061, 61952), (4192, 60016), (5456, 46112), (5632, 44671), (5764, 43648), (7502, 33536), (7744, 32488), (7936, 31702), (8122, 30976), (8384, 30008), (10912, 23056), (11528, 21824), (15004, 16768), (15488, 16244), (15851, 15872)]