91957940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 197370432

約数和(自身を除く): 105412492

約数列:

[1, 2, 4, 5, 10, 20, 97, 107, 194, 214, 388, 428, 443, 485, 535, 886, 970, 1070, 1772, 1940, 2140, 2215, 4430, 8860, 10379, 20758, 41516, 42971, 47401, 51895, 85942, 94802, 103790, 171884, 189604, 207580, 214855, 237005, 429710, 474010, 859420, 948020, 4597897, 9195794, 18391588, 22989485, 45978970, 91957940]

約数ペア:

[(1, 91957940), (2, 45978970), (4, 22989485), (5, 18391588), (10, 9195794), (20, 4597897), (97, 948020), (107, 859420), (194, 474010), (214, 429710), (388, 237005), (428, 214855), (443, 207580), (485, 189604), (535, 171884), (886, 103790), (970, 94802), (1070, 85942), (1772, 51895), (1940, 47401), (2140, 42971), (2215, 41516), (4430, 20758), (8860, 10379)]