399585420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{56921}}^1$

素因数の和:56952

約数の個数: 96

約数和(自身を含む): 1338805440

約数和(自身を除く): 939220020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 7020, 56921, 113842, 170763, 227684, 284605, 341526, 512289, 569210, 683052, 739973, 853815, 1024578, 1138420, 1479946, 1536867, 1707630, 2049156, 2219919, 2561445, 2959892, 3073734, 3415260, 3699865, 4439838, 5122890, 6147468, 6659757, 7399730, 7684335, 8879676, 10245780, 11099595, 13319514, 14799460, 15368670, 19979271, 22199190, 26639028, 30737340, 33298785, 39958542, 44398380, 66597570, 79917084, 99896355, 133195140, 199792710, 399585420]

約数ペア:

[(1, 399585420), (2, 199792710), (3, 133195140), (4, 99896355), (5, 79917084), (6, 66597570), (9, 44398380), (10, 39958542), (12, 33298785), (13, 30737340), (15, 26639028), (18, 22199190), (20, 19979271), (26, 15368670), (27, 14799460), (30, 13319514), (36, 11099595), (39, 10245780), (45, 8879676), (52, 7684335), (54, 7399730), (60, 6659757), (65, 6147468), (78, 5122890), (90, 4439838), (108, 3699865), (117, 3415260), (130, 3073734), (135, 2959892), (156, 2561445), (180, 2219919), (195, 2049156), (234, 1707630), (260, 1536867), (270, 1479946), (351, 1138420), (390, 1024578), (468, 853815), (540, 739973), (585, 683052), (702, 569210), (780, 512289), (1170, 341526), (1404, 284605), (1755, 227684), (2340, 170763), (3510, 113842), (7020, 56921)]