2489279620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^2\times {\mathrm{59}}^1\times {\mathrm{751}}^1$

素因数の和:925

約数の個数: 72

約数和(自身を含む): 5425499520

約数和(自身を除く): 2936219900

約数列:

[1, 2, 4, 5, 10, 20, 53, 59, 106, 118, 212, 236, 265, 295, 530, 590, 751, 1060, 1180, 1502, 2809, 3004, 3127, 3755, 5618, 6254, 7510, 11236, 12508, 14045, 15020, 15635, 28090, 31270, 39803, 44309, 56180, 62540, 79606, 88618, 159212, 165731, 177236, 199015, 221545, 331462, 398030, 443090, 662924, 796060, 828655, 886180, 1657310, 2109559, 2348377, 3314620, 4219118, 4696754, 8438236, 9393508, 10547795, 11741885, 21095590, 23483770, 42191180, 46967540, 124463981, 248927962, 497855924, 622319905, 1244639810, 2489279620]

約数ペア:

[(1, 2489279620), (2, 1244639810), (4, 622319905), (5, 497855924), (10, 248927962), (20, 124463981), (53, 46967540), (59, 42191180), (106, 23483770), (118, 21095590), (212, 11741885), (236, 10547795), (265, 9393508), (295, 8438236), (530, 4696754), (590, 4219118), (751, 3314620), (1060, 2348377), (1180, 2109559), (1502, 1657310), (2809, 886180), (3004, 828655), (3127, 796060), (3755, 662924), (5618, 443090), (6254, 398030), (7510, 331462), (11236, 221545), (12508, 199015), (14045, 177236), (15020, 165731), (15635, 159212), (28090, 88618), (31270, 79606), (39803, 62540), (44309, 56180)]