100190840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 232502400

約数和(自身を除く): 132311560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 137, 188, 235, 274, 376, 389, 470, 548, 685, 778, 940, 1096, 1370, 1556, 1880, 1945, 2740, 3112, 3890, 5480, 6439, 7780, 12878, 15560, 18283, 25756, 32195, 36566, 51512, 53293, 64390, 73132, 91415, 106586, 128780, 146264, 182830, 213172, 257560, 266465, 365660, 426344, 532930, 731320, 1065860, 2131720, 2504771, 5009542, 10019084, 12523855, 20038168, 25047710, 50095420, 100190840]

約数ペア:

[(1, 100190840), (2, 50095420), (4, 25047710), (5, 20038168), (8, 12523855), (10, 10019084), (20, 5009542), (40, 2504771), (47, 2131720), (94, 1065860), (137, 731320), (188, 532930), (235, 426344), (274, 365660), (376, 266465), (389, 257560), (470, 213172), (548, 182830), (685, 146264), (778, 128780), (940, 106586), (1096, 91415), (1370, 73132), (1556, 64390), (1880, 53293), (1945, 51512), (2740, 36566), (3112, 32195), (3890, 25756), (5480, 18283), (6439, 15560), (7780, 12878)]