9281980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{251}}^1$

素因数の和:346

約数の個数: 36

約数和(自身を含む): 20035512

約数和(自身を除く): 10753532

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 251, 430, 502, 860, 1004, 1255, 1849, 2510, 3698, 5020, 7396, 9245, 10793, 18490, 21586, 36980, 43172, 53965, 107930, 215860, 464099, 928198, 1856396, 2320495, 4640990, 9281980]

約数ペア:

[(1, 9281980), (2, 4640990), (4, 2320495), (5, 1856396), (10, 928198), (20, 464099), (43, 215860), (86, 107930), (172, 53965), (215, 43172), (251, 36980), (430, 21586), (502, 18490), (860, 10793), (1004, 9245), (1255, 7396), (1849, 5020), (2510, 3698)]