138972400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{49633}}^1$

素因数の和:49658

約数の個数: 60

約数和(自身を含む): 381586192

約数和(自身を除く): 242613792

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, 49633, 99266, 198532, 248165, 347431, 397064, 496330, 694862, 794128, 992660, 1240825, 1389724, 1737155, 1985320, 2481650, 2779448, 3474310, 3970640, 4963300, 5558896, 6948620, 8685775, 9926600, 13897240, 17371550, 19853200, 27794480, 34743100, 69486200, 138972400]

約数ペア:

[(1, 138972400), (2, 69486200), (4, 34743100), (5, 27794480), (7, 19853200), (8, 17371550), (10, 13897240), (14, 9926600), (16, 8685775), (20, 6948620), (25, 5558896), (28, 4963300), (35, 3970640), (40, 3474310), (50, 2779448), (56, 2481650), (70, 1985320), (80, 1737155), (100, 1389724), (112, 1240825), (140, 992660), (175, 794128), (200, 694862), (280, 496330), (350, 397064), (400, 347431), (560, 248165), (700, 198532), (1400, 99266), (2800, 49633)]