10899420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{25951}}^1$

素因数の和:25970

約数の個数: 48

約数和(自身を含む): 34879488

約数和(自身を除く): 23980068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 25951, 51902, 77853, 103804, 129755, 155706, 181657, 259510, 311412, 363314, 389265, 519020, 544971, 726628, 778530, 908285, 1089942, 1557060, 1816570, 2179884, 2724855, 3633140, 5449710, 10899420]

約数ペア:

[(1, 10899420), (2, 5449710), (3, 3633140), (4, 2724855), (5, 2179884), (6, 1816570), (7, 1557060), (10, 1089942), (12, 908285), (14, 778530), (15, 726628), (20, 544971), (21, 519020), (28, 389265), (30, 363314), (35, 311412), (42, 259510), (60, 181657), (70, 155706), (84, 129755), (105, 103804), (140, 77853), (210, 51902), (420, 25951)]