285145420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{119809}}^1$

素因数の和:119842

約数の個数: 48

約数和(自身を含む): 724610880

約数和(自身を除く): 439465460

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 119809, 239618, 479236, 599045, 838663, 1198090, 1677326, 2036753, 2396180, 3354652, 4073506, 4193315, 8147012, 8386630, 10183765, 14257271, 16773260, 20367530, 28514542, 40735060, 57029084, 71286355, 142572710, 285145420]

約数ペア:

[(1, 285145420), (2, 142572710), (4, 71286355), (5, 57029084), (7, 40735060), (10, 28514542), (14, 20367530), (17, 16773260), (20, 14257271), (28, 10183765), (34, 8386630), (35, 8147012), (68, 4193315), (70, 4073506), (85, 3354652), (119, 2396180), (140, 2036753), (170, 1677326), (238, 1198090), (340, 838663), (476, 599045), (595, 479236), (1190, 239618), (2380, 119809)]