385449400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{275321}}^1$

素因数の和:275344

約数の個数: 48

約数和(自身を含む): 1024197840

約数和(自身を除く): 638748440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 275321, 550642, 1101284, 1376605, 1927247, 2202568, 2753210, 3854494, 5506420, 6883025, 7708988, 9636235, 11012840, 13766050, 15417976, 19272470, 27532100, 38544940, 48181175, 55064200, 77089880, 96362350, 192724700, 385449400]

約数ペア:

[(1, 385449400), (2, 192724700), (4, 96362350), (5, 77089880), (7, 55064200), (8, 48181175), (10, 38544940), (14, 27532100), (20, 19272470), (25, 15417976), (28, 13766050), (35, 11012840), (40, 9636235), (50, 7708988), (56, 6883025), (70, 5506420), (100, 3854494), (140, 2753210), (175, 2202568), (200, 1927247), (280, 1376605), (350, 1101284), (700, 550642), (1400, 275321)]