42555940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1543}}^1$

素因数の和:1756

約数の個数: 48

約数和(自身を含む): 102719232

約数和(自身を除く): 60163292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1543, 1970, 2758, 3086, 3940, 5516, 6172, 6895, 7715, 10801, 13790, 15430, 21602, 27580, 30860, 43204, 54005, 108010, 216020, 303971, 607942, 1215884, 1519855, 2127797, 3039710, 4255594, 6079420, 8511188, 10638985, 21277970, 42555940]

約数ペア:

[(1, 42555940), (2, 21277970), (4, 10638985), (5, 8511188), (7, 6079420), (10, 4255594), (14, 3039710), (20, 2127797), (28, 1519855), (35, 1215884), (70, 607942), (140, 303971), (197, 216020), (394, 108010), (788, 54005), (985, 43204), (1379, 30860), (1543, 27580), (1970, 21602), (2758, 15430), (3086, 13790), (3940, 10801), (5516, 7715), (6172, 6895)]