28289660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{28867}}^1$

素因数の和:28890

約数の個数: 36

約数和(自身を含む): 69109992

約数和(自身を除く): 40820332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 28867, 57734, 115468, 144335, 202069, 288670, 404138, 577340, 808276, 1010345, 1414483, 2020690, 2828966, 4041380, 5657932, 7072415, 14144830, 28289660]

約数ペア:

[(1, 28289660), (2, 14144830), (4, 7072415), (5, 5657932), (7, 4041380), (10, 2828966), (14, 2020690), (20, 1414483), (28, 1010345), (35, 808276), (49, 577340), (70, 404138), (98, 288670), (140, 202069), (196, 144335), (245, 115468), (490, 57734), (980, 28867)]