202005020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{5209}}^1$

素因数の和:5502

約数の個数: 48

約数和(自身を含む): 486655680

約数和(自身を除く): 284650660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 1108, 1385, 1939, 2770, 3878, 5209, 5540, 7756, 9695, 10418, 19390, 20836, 26045, 36463, 38780, 52090, 72926, 104180, 145852, 182315, 364630, 729260, 1442893, 2885786, 5771572, 7214465, 10100251, 14428930, 20200502, 28857860, 40401004, 50501255, 101002510, 202005020]

約数ペア:

[(1, 202005020), (2, 101002510), (4, 50501255), (5, 40401004), (7, 28857860), (10, 20200502), (14, 14428930), (20, 10100251), (28, 7214465), (35, 5771572), (70, 2885786), (140, 1442893), (277, 729260), (554, 364630), (1108, 182315), (1385, 145852), (1939, 104180), (2770, 72926), (3878, 52090), (5209, 38780), (5540, 36463), (7756, 26045), (9695, 20836), (10418, 19390)]