4991931420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11885551}}^1$

素因数の和:11885570

約数の個数: 48

約数和(自身を含む): 15974181888

約数和(自身を除く): 10982250468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 11885551, 23771102, 35656653, 47542204, 59427755, 71313306, 83198857, 118855510, 142626612, 166397714, 178283265, 237711020, 249596571, 332795428, 356566530, 415994285, 499193142, 713133060, 831988570, 998386284, 1247982855, 1663977140, 2495965710, 4991931420]

約数ペア:

[(1, 4991931420), (2, 2495965710), (3, 1663977140), (4, 1247982855), (5, 998386284), (6, 831988570), (7, 713133060), (10, 499193142), (12, 415994285), (14, 356566530), (15, 332795428), (20, 249596571), (21, 237711020), (28, 178283265), (30, 166397714), (35, 142626612), (42, 118855510), (60, 83198857), (70, 71313306), (84, 59427755), (105, 47542204), (140, 35656653), (210, 23771102), (420, 11885551)]