4018490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 8618400

約数和(自身を除く): 4599910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 59, 70, 98, 118, 139, 245, 278, 295, 413, 490, 590, 695, 826, 973, 1390, 1946, 2065, 2891, 4130, 4865, 5782, 6811, 8201, 9730, 13622, 14455, 16402, 28910, 34055, 41005, 57407, 68110, 82010, 114814, 287035, 401849, 574070, 803698, 2009245, 4018490]

約数ペア:

[(1, 4018490), (2, 2009245), (5, 803698), (7, 574070), (10, 401849), (14, 287035), (35, 114814), (49, 82010), (59, 68110), (70, 57407), (98, 41005), (118, 34055), (139, 28910), (245, 16402), (278, 14455), (295, 13622), (413, 9730), (490, 8201), (590, 6811), (695, 5782), (826, 4865), (973, 4130), (1390, 2891), (1946, 2065)]