78105740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{479}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 170311680

約数和(自身を除く): 92205940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 263, 310, 479, 526, 620, 958, 1052, 1315, 1916, 2395, 2630, 4790, 5260, 8153, 9580, 14849, 16306, 29698, 32612, 40765, 59396, 74245, 81530, 125977, 148490, 163060, 251954, 296980, 503908, 629885, 1259770, 2519540, 3905287, 7810574, 15621148, 19526435, 39052870, 78105740]

約数ペア:

[(1, 78105740), (2, 39052870), (4, 19526435), (5, 15621148), (10, 7810574), (20, 3905287), (31, 2519540), (62, 1259770), (124, 629885), (155, 503908), (263, 296980), (310, 251954), (479, 163060), (526, 148490), (620, 125977), (958, 81530), (1052, 74245), (1315, 59396), (1916, 40765), (2395, 32612), (2630, 29698), (4790, 16306), (5260, 14849), (8153, 9580)]