28531510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2069}}^1$

素因数の和:2280

約数の個数: 32

約数和(自身を含む): 59019840

約数和(自身を除く): 30488330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2069, 2758, 4138, 6895, 10345, 13790, 14483, 20690, 28966, 72415, 144830, 407593, 815186, 2037965, 2853151, 4075930, 5706302, 14265755, 28531510]

約数ペア:

[(1, 28531510), (2, 14265755), (5, 5706302), (7, 4075930), (10, 2853151), (14, 2037965), (35, 815186), (70, 407593), (197, 144830), (394, 72415), (985, 28966), (1379, 20690), (1970, 14483), (2069, 13790), (2758, 10345), (4138, 6895)]