389620420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1061}}^1$

素因数の和:1181

約数の個数: 96

約数和(自身を含む): 973437696

約数和(自身を除く): 583817276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 61, 70, 86, 122, 140, 172, 215, 244, 301, 305, 427, 430, 602, 610, 854, 860, 1061, 1204, 1220, 1505, 1708, 2122, 2135, 2623, 3010, 4244, 4270, 5246, 5305, 6020, 7427, 8540, 10492, 10610, 13115, 14854, 18361, 21220, 26230, 29708, 36722, 37135, 45623, 52460, 64721, 73444, 74270, 91246, 91805, 129442, 148540, 182492, 183610, 228115, 258884, 319361, 323605, 367220, 453047, 456230, 638722, 647210, 906094, 912460, 1277444, 1294420, 1596805, 1812188, 2265235, 2783003, 3193610, 4530470, 5566006, 6387220, 9060940, 11132012, 13915015, 19481021, 27830030, 38962042, 55660060, 77924084, 97405105, 194810210, 389620420]

約数ペア:

[(1, 389620420), (2, 194810210), (4, 97405105), (5, 77924084), (7, 55660060), (10, 38962042), (14, 27830030), (20, 19481021), (28, 13915015), (35, 11132012), (43, 9060940), (61, 6387220), (70, 5566006), (86, 4530470), (122, 3193610), (140, 2783003), (172, 2265235), (215, 1812188), (244, 1596805), (301, 1294420), (305, 1277444), (427, 912460), (430, 906094), (602, 647210), (610, 638722), (854, 456230), (860, 453047), (1061, 367220), (1204, 323605), (1220, 319361), (1505, 258884), (1708, 228115), (2122, 183610), (2135, 182492), (2623, 148540), (3010, 129442), (4244, 91805), (4270, 91246), (5246, 74270), (5305, 73444), (6020, 64721), (7427, 52460), (8540, 45623), (10492, 37135), (10610, 36722), (13115, 29708), (14854, 26230), (18361, 21220)]