1480220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 3622080

約数和(自身を除く): 2141860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 109, 140, 194, 218, 388, 436, 485, 545, 679, 763, 970, 1090, 1358, 1526, 1940, 2180, 2716, 3052, 3395, 3815, 6790, 7630, 10573, 13580, 15260, 21146, 42292, 52865, 74011, 105730, 148022, 211460, 296044, 370055, 740110, 1480220]

約数ペア:

[(1, 1480220), (2, 740110), (4, 370055), (5, 296044), (7, 211460), (10, 148022), (14, 105730), (20, 74011), (28, 52865), (35, 42292), (70, 21146), (97, 15260), (109, 13580), (140, 10573), (194, 7630), (218, 6790), (388, 3815), (436, 3395), (485, 3052), (545, 2716), (679, 2180), (763, 1940), (970, 1526), (1090, 1358)]