890702416

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:704

約数の個数: 80

約数和(自身を含む): 1874165760

約数和(自身を除く): 983463344

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 163, 184, 248, 326, 368, 479, 496, 652, 713, 958, 1304, 1426, 1916, 2608, 2852, 3749, 3832, 5053, 5704, 7498, 7664, 10106, 11017, 11408, 14849, 14996, 20212, 22034, 29698, 29992, 40424, 44068, 59396, 59984, 78077, 80848, 88136, 116219, 118792, 156154, 176272, 232438, 237584, 312308, 341527, 464876, 624616, 683054, 929752, 1249232, 1366108, 1795771, 1859504, 2420387, 2732216, 3591542, 4840774, 5464432, 7183084, 9681548, 14366168, 19363096, 28732336, 38726192, 55668901, 111337802, 222675604, 445351208, 890702416]

約数ペア:

[(1, 890702416), (2, 445351208), (4, 222675604), (8, 111337802), (16, 55668901), (23, 38726192), (31, 28732336), (46, 19363096), (62, 14366168), (92, 9681548), (124, 7183084), (163, 5464432), (184, 4840774), (248, 3591542), (326, 2732216), (368, 2420387), (479, 1859504), (496, 1795771), (652, 1366108), (713, 1249232), (958, 929752), (1304, 683054), (1426, 624616), (1916, 464876), (2608, 341527), (2852, 312308), (3749, 237584), (3832, 232438), (5053, 176272), (5704, 156154), (7498, 118792), (7664, 116219), (10106, 88136), (11017, 80848), (11408, 78077), (14849, 59984), (14996, 59396), (20212, 44068), (22034, 40424), (29698, 29992)]