420867580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{773}}^1\times {\mathrm{3889}}^1$

素因数の和:4678

約数の個数: 48

約数和(自身を含む): 1011648960

約数和(自身を除く): 590781380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 773, 1546, 3092, 3865, 3889, 5411, 7730, 7778, 10822, 15460, 15556, 19445, 21644, 27055, 27223, 38890, 54110, 54446, 77780, 108220, 108892, 136115, 272230, 544460, 3006197, 6012394, 12024788, 15030985, 21043379, 30061970, 42086758, 60123940, 84173516, 105216895, 210433790, 420867580]

約数ペア:

[(1, 420867580), (2, 210433790), (4, 105216895), (5, 84173516), (7, 60123940), (10, 42086758), (14, 30061970), (20, 21043379), (28, 15030985), (35, 12024788), (70, 6012394), (140, 3006197), (773, 544460), (1546, 272230), (3092, 136115), (3865, 108892), (3889, 108220), (5411, 77780), (7730, 54446), (7778, 54110), (10822, 38890), (15460, 27223), (15556, 27055), (19445, 21644)]