189423920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{937}}^1$

素因数の和:995

約数の個数: 120

約数和(自身を含む): 531778464

約数和(自身を除く): 342354544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 361, 380, 532, 560, 665, 722, 760, 937, 1064, 1330, 1444, 1520, 1805, 1874, 2128, 2527, 2660, 2888, 3610, 3748, 4685, 5054, 5320, 5776, 6559, 7220, 7496, 9370, 10108, 10640, 12635, 13118, 14440, 14992, 17803, 18740, 20216, 25270, 26236, 28880, 32795, 35606, 37480, 40432, 50540, 52472, 65590, 71212, 74960, 89015, 101080, 104944, 124621, 131180, 142424, 178030, 202160, 249242, 262360, 284848, 338257, 356060, 498484, 524720, 623105, 676514, 712120, 996968, 1246210, 1353028, 1424240, 1691285, 1993936, 2367799, 2492420, 2706056, 3382570, 4735598, 4984840, 5412112, 6765140, 9471196, 9969680, 11838995, 13530280, 18942392, 23677990, 27060560, 37884784, 47355980, 94711960, 189423920]

約数ペア:

[(1, 189423920), (2, 94711960), (4, 47355980), (5, 37884784), (7, 27060560), (8, 23677990), (10, 18942392), (14, 13530280), (16, 11838995), (19, 9969680), (20, 9471196), (28, 6765140), (35, 5412112), (38, 4984840), (40, 4735598), (56, 3382570), (70, 2706056), (76, 2492420), (80, 2367799), (95, 1993936), (112, 1691285), (133, 1424240), (140, 1353028), (152, 1246210), (190, 996968), (266, 712120), (280, 676514), (304, 623105), (361, 524720), (380, 498484), (532, 356060), (560, 338257), (665, 284848), (722, 262360), (760, 249242), (937, 202160), (1064, 178030), (1330, 142424), (1444, 131180), (1520, 124621), (1805, 104944), (1874, 101080), (2128, 89015), (2527, 74960), (2660, 71212), (2888, 65590), (3610, 52472), (3748, 50540), (4685, 40432), (5054, 37480), (5320, 35606), (5776, 32795), (6559, 28880), (7220, 26236), (7496, 25270), (9370, 20216), (10108, 18740), (10640, 17803), (12635, 14992), (13118, 14440)]