7948780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8111}}^1$

素因数の和:8134

約数の個数: 36

約数和(自身を含む): 19420128

約数和(自身を除く): 11471348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8111, 16222, 32444, 40555, 56777, 81110, 113554, 162220, 227108, 283885, 397439, 567770, 794878, 1135540, 1589756, 1987195, 3974390, 7948780]

約数ペア:

[(1, 7948780), (2, 3974390), (4, 1987195), (5, 1589756), (7, 1135540), (10, 794878), (14, 567770), (20, 397439), (28, 283885), (35, 227108), (49, 162220), (70, 113554), (98, 81110), (140, 56777), (196, 40555), (245, 32444), (490, 16222), (980, 8111)]