404700520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{33613}}^1$

素因数の和:33674

約数の個数: 64

約数和(自身を含む): 1064891520

約数和(自身を除く): 660191000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 12040, 33613, 67226, 134452, 168065, 235291, 268904, 336130, 470582, 672260, 941164, 1176455, 1344520, 1445359, 1882328, 2352910, 2890718, 4705820, 5781436, 7226795, 9411640, 10117513, 11562872, 14453590, 20235026, 28907180, 40470052, 50587565, 57814360, 80940104, 101175130, 202350260, 404700520]

約数ペア:

[(1, 404700520), (2, 202350260), (4, 101175130), (5, 80940104), (7, 57814360), (8, 50587565), (10, 40470052), (14, 28907180), (20, 20235026), (28, 14453590), (35, 11562872), (40, 10117513), (43, 9411640), (56, 7226795), (70, 5781436), (86, 4705820), (140, 2890718), (172, 2352910), (215, 1882328), (280, 1445359), (301, 1344520), (344, 1176455), (430, 941164), (602, 672260), (860, 470582), (1204, 336130), (1505, 268904), (1720, 235291), (2408, 168065), (3010, 134452), (6020, 67226), (12040, 33613)]