389940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 1119552

約数和(自身を除く): 729612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 97, 134, 194, 201, 268, 291, 335, 388, 402, 485, 582, 670, 804, 970, 1005, 1164, 1340, 1455, 1940, 2010, 2910, 4020, 5820, 6499, 12998, 19497, 25996, 32495, 38994, 64990, 77988, 97485, 129980, 194970, 389940]

約数ペア:

[(1, 389940), (2, 194970), (3, 129980), (4, 97485), (5, 77988), (6, 64990), (10, 38994), (12, 32495), (15, 25996), (20, 19497), (30, 12998), (60, 6499), (67, 5820), (97, 4020), (134, 2910), (194, 2010), (201, 1940), (268, 1455), (291, 1340), (335, 1164), (388, 1005), (402, 970), (485, 804), (582, 670)]