398082180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{68399}}^1$

素因数の和:68508

約数の個数: 48

約数和(自身を含む): 1126137600

約数和(自身を除く): 728055420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 5820, 68399, 136798, 205197, 273596, 341995, 410394, 683990, 820788, 1025985, 1367980, 2051970, 4103940, 6634703, 13269406, 19904109, 26538812, 33173515, 39808218, 66347030, 79616436, 99520545, 132694060, 199041090, 398082180]

約数ペア:

[(1, 398082180), (2, 199041090), (3, 132694060), (4, 99520545), (5, 79616436), (6, 66347030), (10, 39808218), (12, 33173515), (15, 26538812), (20, 19904109), (30, 13269406), (60, 6634703), (97, 4103940), (194, 2051970), (291, 1367980), (388, 1025985), (485, 820788), (582, 683990), (970, 410394), (1164, 341995), (1455, 273596), (1940, 205197), (2910, 136798), (5820, 68399)]