401030840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:433

約数の個数: 128

約数和(自身を含む): 1067713920

約数和(自身を除く): 666683080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 181, 193, 205, 280, 287, 328, 362, 386, 410, 574, 724, 772, 820, 905, 965, 1148, 1267, 1351, 1435, 1448, 1544, 1640, 1810, 1930, 2296, 2534, 2702, 2870, 3620, 3860, 5068, 5404, 5740, 6335, 6755, 7240, 7421, 7720, 7913, 10136, 10808, 11480, 12670, 13510, 14842, 15826, 25340, 27020, 29684, 31652, 34933, 37105, 39565, 50680, 51947, 54040, 55391, 59368, 63304, 69866, 74210, 79130, 103894, 110782, 139732, 148420, 158260, 174665, 207788, 221564, 244531, 259735, 276955, 279464, 296840, 316520, 349330, 415576, 443128, 489062, 519470, 553910, 698660, 978124, 1038940, 1107820, 1222655, 1397320, 1432253, 1956248, 2077880, 2215640, 2445310, 2864506, 4890620, 5729012, 7161265, 9781240, 10025771, 11458024, 14322530, 20051542, 28645060, 40103084, 50128855, 57290120, 80206168, 100257710, 200515420, 401030840]

約数ペア:

[(1, 401030840), (2, 200515420), (4, 100257710), (5, 80206168), (7, 57290120), (8, 50128855), (10, 40103084), (14, 28645060), (20, 20051542), (28, 14322530), (35, 11458024), (40, 10025771), (41, 9781240), (56, 7161265), (70, 5729012), (82, 4890620), (140, 2864506), (164, 2445310), (181, 2215640), (193, 2077880), (205, 1956248), (280, 1432253), (287, 1397320), (328, 1222655), (362, 1107820), (386, 1038940), (410, 978124), (574, 698660), (724, 553910), (772, 519470), (820, 489062), (905, 443128), (965, 415576), (1148, 349330), (1267, 316520), (1351, 296840), (1435, 279464), (1448, 276955), (1544, 259735), (1640, 244531), (1810, 221564), (1930, 207788), (2296, 174665), (2534, 158260), (2702, 148420), (2870, 139732), (3620, 110782), (3860, 103894), (5068, 79130), (5404, 74210), (5740, 69866), (6335, 63304), (6755, 59368), (7240, 55391), (7421, 54040), (7720, 51947), (7913, 50680), (10136, 39565), (10808, 37105), (11480, 34933), (12670, 31652), (13510, 29684), (14842, 27020), (15826, 25340)]