168539980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{11251}}^1$

素因数の和:11374

約数の個数: 48

約数和(自身を含む): 408312576

約数和(自身を除く): 239772596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 11251, 14980, 22502, 45004, 56255, 78757, 112510, 157514, 225020, 315028, 393785, 787570, 1203857, 1575140, 2407714, 4815428, 6019285, 8426999, 12038570, 16853998, 24077140, 33707996, 42134995, 84269990, 168539980]

約数ペア:

[(1, 168539980), (2, 84269990), (4, 42134995), (5, 33707996), (7, 24077140), (10, 16853998), (14, 12038570), (20, 8426999), (28, 6019285), (35, 4815428), (70, 2407714), (107, 1575140), (140, 1203857), (214, 787570), (428, 393785), (535, 315028), (749, 225020), (1070, 157514), (1498, 112510), (2140, 78757), (2996, 56255), (3745, 45004), (7490, 22502), (11251, 14980)]