1980672400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{707383}}^1$

素因数の和:707408

約数の個数: 60

約数和(自身を含む): 5438368192

約数和(自身を除く): 3457695792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 707383, 1414766, 2829532, 3536915, 4951681, 5659064, 7073830, 9903362, 11318128, 14147660, 17684575, 19806724, 24758405, 28295320, 35369150, 39613448, 49516810, 56590640, 70738300, 79226896, 99033620, 123792025, 141476600, 198067240, 247584050, 282953200, 396134480, 495168100, 990336200, 1980672400]

約数ペア:

[(1, 1980672400), (2, 990336200), (4, 495168100), (5, 396134480), (7, 282953200), (8, 247584050), (10, 198067240), (14, 141476600), (16, 123792025), (20, 99033620), (25, 79226896), (28, 70738300), (35, 56590640), (40, 49516810), (50, 39613448), (56, 35369150), (70, 28295320), (80, 24758405), (100, 19806724), (112, 17684575), (140, 14147660), (175, 11318128), (200, 9903362), (280, 7073830), (350, 5659064), (400, 4951681), (560, 3536915), (700, 2829532), (1400, 1414766), (2800, 707383)]