389628780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{381989}}^1$

素因数の和:382018

約数の個数: 48

約数和(自身を含む): 1155137760

約数和(自身を除く): 765508980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 381989, 763978, 1145967, 1527956, 1909945, 2291934, 3819890, 4583868, 5729835, 6493813, 7639780, 11459670, 12987626, 19481439, 22919340, 25975252, 32469065, 38962878, 64938130, 77925756, 97407195, 129876260, 194814390, 389628780]

約数ペア:

[(1, 389628780), (2, 194814390), (3, 129876260), (4, 97407195), (5, 77925756), (6, 64938130), (10, 38962878), (12, 32469065), (15, 25975252), (17, 22919340), (20, 19481439), (30, 12987626), (34, 11459670), (51, 7639780), (60, 6493813), (68, 5729835), (85, 4583868), (102, 3819890), (170, 2291934), (204, 1909945), (255, 1527956), (340, 1145967), (510, 763978), (1020, 381989)]