38893540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{787}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 93727872

約数和(自身を除く): 54834332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 787, 1412, 1574, 1765, 2471, 3148, 3530, 3935, 4942, 5509, 7060, 7870, 9884, 11018, 12355, 15740, 22036, 24710, 27545, 49420, 55090, 110180, 277811, 555622, 1111244, 1389055, 1944677, 2778110, 3889354, 5556220, 7778708, 9723385, 19446770, 38893540]

約数ペア:

[(1, 38893540), (2, 19446770), (4, 9723385), (5, 7778708), (7, 5556220), (10, 3889354), (14, 2778110), (20, 1944677), (28, 1389055), (35, 1111244), (70, 555622), (140, 277811), (353, 110180), (706, 55090), (787, 49420), (1412, 27545), (1574, 24710), (1765, 22036), (2471, 15740), (3148, 12355), (3530, 11018), (3935, 9884), (4942, 7870), (5509, 7060)]