1898996820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4521421}}^1$

素因数の和:4521440

約数の個数: 48

約数和(自身を含む): 6076791168

約数和(自身を除く): 4177794348

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, 4521421, 9042842, 13564263, 18085684, 22607105, 27128526, 31649947, 45214210, 54257052, 63299894, 67821315, 90428420, 94949841, 126599788, 135642630, 158249735, 189899682, 271285260, 316499470, 379799364, 474749205, 632998940, 949498410, 1898996820]

約数ペア:

[(1, 1898996820), (2, 949498410), (3, 632998940), (4, 474749205), (5, 379799364), (6, 316499470), (7, 271285260), (10, 189899682), (12, 158249735), (14, 135642630), (15, 126599788), (20, 94949841), (21, 90428420), (28, 67821315), (30, 63299894), (35, 54257052), (42, 45214210), (60, 31649947), (70, 27128526), (84, 22607105), (105, 18085684), (140, 13564263), (210, 9042842), (420, 4521421)]