2100077840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{20719}}^1$

素因数の和:20920

約数の個数: 80

約数和(自身を含む): 5611307520

約数和(自身を除く): 3511229680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 181, 280, 362, 560, 724, 905, 1267, 1448, 1810, 2534, 2896, 3620, 5068, 6335, 7240, 10136, 12670, 14480, 20272, 20719, 25340, 41438, 50680, 82876, 101360, 103595, 145033, 165752, 207190, 290066, 331504, 414380, 580132, 725165, 828760, 1160264, 1450330, 1657520, 2320528, 2900660, 3750139, 5801320, 7500278, 11602640, 15000556, 18750695, 26250973, 30001112, 37501390, 52501946, 60002224, 75002780, 105003892, 131254865, 150005560, 210007784, 262509730, 300011120, 420015568, 525019460, 1050038920, 2100077840]

約数ペア:

[(1, 2100077840), (2, 1050038920), (4, 525019460), (5, 420015568), (7, 300011120), (8, 262509730), (10, 210007784), (14, 150005560), (16, 131254865), (20, 105003892), (28, 75002780), (35, 60002224), (40, 52501946), (56, 37501390), (70, 30001112), (80, 26250973), (112, 18750695), (140, 15000556), (181, 11602640), (280, 7500278), (362, 5801320), (560, 3750139), (724, 2900660), (905, 2320528), (1267, 1657520), (1448, 1450330), (1810, 1160264), (2534, 828760), (2896, 725165), (3620, 580132), (5068, 414380), (6335, 331504), (7240, 290066), (10136, 207190), (12670, 165752), (14480, 145033), (20272, 103595), (20719, 101360), (25340, 82876), (41438, 50680)]