399063420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{316717}}^1$

素因数の和:316739

約数の個数: 72

約数和(自身を含む): 1383424224

約数和(自身を除く): 984360804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 316717, 633434, 950151, 1266868, 1583585, 1900302, 2217019, 2850453, 3167170, 3800604, 4434038, 4750755, 5700906, 6334340, 6651057, 8868076, 9501510, 11085095, 11401812, 13302114, 14252265, 19003020, 19953171, 22170190, 26604228, 28504530, 33255285, 39906342, 44340380, 57009060, 66510570, 79812684, 99765855, 133021140, 199531710, 399063420]

約数ペア:

[(1, 399063420), (2, 199531710), (3, 133021140), (4, 99765855), (5, 79812684), (6, 66510570), (7, 57009060), (9, 44340380), (10, 39906342), (12, 33255285), (14, 28504530), (15, 26604228), (18, 22170190), (20, 19953171), (21, 19003020), (28, 14252265), (30, 13302114), (35, 11401812), (36, 11085095), (42, 9501510), (45, 8868076), (60, 6651057), (63, 6334340), (70, 5700906), (84, 4750755), (90, 4434038), (105, 3800604), (126, 3167170), (140, 2850453), (180, 2217019), (210, 1900302), (252, 1583585), (315, 1266868), (420, 950151), (630, 633434), (1260, 316717)]