204919360

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:444

約数の個数: 112

約数和(自身を含む): 522305280

約数和(自身を除く): 317385920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 139, 160, 170, 271, 272, 278, 320, 340, 542, 544, 556, 680, 695, 1084, 1088, 1112, 1355, 1360, 1390, 2168, 2224, 2363, 2710, 2720, 2780, 4336, 4448, 4607, 4726, 5420, 5440, 5560, 8672, 8896, 9214, 9452, 10840, 11120, 11815, 17344, 18428, 18904, 21680, 22240, 23035, 23630, 36856, 37669, 37808, 43360, 44480, 46070, 47260, 73712, 75338, 75616, 86720, 92140, 94520, 147424, 150676, 151232, 184280, 188345, 189040, 294848, 301352, 368560, 376690, 378080, 602704, 640373, 737120, 753380, 756160, 1205408, 1280746, 1474240, 1506760, 2410816, 2561492, 3013520, 3201865, 5122984, 6027040, 6403730, 10245968, 12054080, 12807460, 20491936, 25614920, 40983872, 51229840, 102459680, 204919360]

約数ペア:

[(1, 204919360), (2, 102459680), (4, 51229840), (5, 40983872), (8, 25614920), (10, 20491936), (16, 12807460), (17, 12054080), (20, 10245968), (32, 6403730), (34, 6027040), (40, 5122984), (64, 3201865), (68, 3013520), (80, 2561492), (85, 2410816), (136, 1506760), (139, 1474240), (160, 1280746), (170, 1205408), (271, 756160), (272, 753380), (278, 737120), (320, 640373), (340, 602704), (542, 378080), (544, 376690), (556, 368560), (680, 301352), (695, 294848), (1084, 189040), (1088, 188345), (1112, 184280), (1355, 151232), (1360, 150676), (1390, 147424), (2168, 94520), (2224, 92140), (2363, 86720), (2710, 75616), (2720, 75338), (2780, 73712), (4336, 47260), (4448, 46070), (4607, 44480), (4726, 43360), (5420, 37808), (5440, 37669), (5560, 36856), (8672, 23630), (8896, 23035), (9214, 22240), (9452, 21680), (10840, 18904), (11120, 18428), (11815, 17344)]