128053940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4643}}^1$

素因数の和:4856

約数の個数: 48

約数和(自身を含む): 308956032

約数和(自身を除く): 180902092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 4643, 5516, 6895, 9286, 13790, 18572, 23215, 27580, 32501, 46430, 65002, 92860, 130004, 162505, 325010, 650020, 914671, 1829342, 3658684, 4573355, 6402697, 9146710, 12805394, 18293420, 25610788, 32013485, 64026970, 128053940]

約数ペア:

[(1, 128053940), (2, 64026970), (4, 32013485), (5, 25610788), (7, 18293420), (10, 12805394), (14, 9146710), (20, 6402697), (28, 4573355), (35, 3658684), (70, 1829342), (140, 914671), (197, 650020), (394, 325010), (788, 162505), (985, 130004), (1379, 92860), (1970, 65002), (2758, 46430), (3940, 32501), (4643, 27580), (5516, 23215), (6895, 18572), (9286, 13790)]