209517508760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{439}}^1\times {\mathrm{6481}}^1$

素因数の和:7201

約数の個数: 128

約数和(自身を含む): 542123366400

約数和(自身を除く): 332605857640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 439, 526, 878, 1052, 1315, 1756, 1841, 2104, 2195, 2630, 3073, 3512, 3682, 4390, 5260, 6146, 6481, 7364, 8780, 9205, 10520, 12292, 12962, 14728, 15365, 17560, 18410, 24584, 25924, 30730, 32405, 36820, 45367, 51848, 61460, 64810, 73640, 90734, 115457, 122920, 129620, 181468, 226835, 230914, 259240, 362936, 453670, 461828, 577285, 808199, 907340, 923656, 1154570, 1616398, 1704503, 1814680, 2309140, 2845159, 3232796, 3409006, 4040995, 4618280, 5690318, 6465592, 6818012, 8081990, 8522515, 11380636, 11931521, 13636024, 14225795, 16163980, 17045030, 19916113, 22761272, 23863042, 28451590, 32327960, 34090060, 39832226, 47726084, 56903180, 59657605, 68180120, 79664452, 95452168, 99580565, 113806360, 119315210, 159328904, 199161130, 238630420, 398322260, 477260840, 748276817, 796644520, 1496553634, 2993107268, 3741384085, 5237937719, 5986214536, 7482768170, 10475875438, 14965536340, 20951750876, 26189688595, 29931072680, 41903501752, 52379377190, 104758754380, 209517508760]

約数ペア:

[(1, 209517508760), (2, 104758754380), (4, 52379377190), (5, 41903501752), (7, 29931072680), (8, 26189688595), (10, 20951750876), (14, 14965536340), (20, 10475875438), (28, 7482768170), (35, 5986214536), (40, 5237937719), (56, 3741384085), (70, 2993107268), (140, 1496553634), (263, 796644520), (280, 748276817), (439, 477260840), (526, 398322260), (878, 238630420), (1052, 199161130), (1315, 159328904), (1756, 119315210), (1841, 113806360), (2104, 99580565), (2195, 95452168), (2630, 79664452), (3073, 68180120), (3512, 59657605), (3682, 56903180), (4390, 47726084), (5260, 39832226), (6146, 34090060), (6481, 32327960), (7364, 28451590), (8780, 23863042), (9205, 22761272), (10520, 19916113), (12292, 17045030), (12962, 16163980), (14728, 14225795), (15365, 13636024), (17560, 11931521), (18410, 11380636), (24584, 8522515), (25924, 8081990), (30730, 6818012), (32405, 6465592), (36820, 5690318), (45367, 4618280), (51848, 4040995), (61460, 3409006), (64810, 3232796), (73640, 2845159), (90734, 2309140), (115457, 1814680), (122920, 1704503), (129620, 1616398), (181468, 1154570), (226835, 923656), (230914, 907340), (259240, 808199), (362936, 577285), (453670, 461828)]