221400000008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{653}}^1\times {\mathrm{1031}}^1$

素因数の和:1839

約数の個数: 128

約数和(自身を含む): 470883767040

約数和(自身を除く): 249483767032

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 101, 148, 202, 296, 404, 407, 653, 808, 814, 1031, 1111, 1306, 1628, 2062, 2222, 2612, 3256, 3737, 4124, 4444, 5224, 7183, 7474, 8248, 8888, 11341, 14366, 14948, 22682, 24161, 28732, 29896, 38147, 41107, 45364, 48322, 57464, 65953, 76294, 82214, 90728, 96644, 104131, 131906, 152588, 164428, 193288, 208262, 263812, 265771, 305176, 328856, 416524, 419617, 527624, 531542, 673243, 725483, 833048, 839234, 1063084, 1145441, 1346486, 1450966, 1678468, 2126168, 2290882, 2440261, 2692972, 2901932, 3356936, 3852847, 4581764, 4880522, 5385944, 5803864, 7405673, 7705694, 9163528, 9761044, 14811346, 15411388, 19522088, 24909991, 26842871, 29622692, 30822776, 42381317, 49819982, 53685742, 59245384, 67997543, 84762634, 99639964, 107371484, 135995086, 169525268, 199279928, 214742968, 271990172, 274009901, 339050536, 543980344, 548019802, 747972973, 1096039604, 1495945946, 2192079208, 2515909091, 2991891892, 5031818182, 5983783784, 10063636364, 20127272728, 27675000001, 55350000002, 110700000004, 221400000008]

約数ペア:

[(1, 221400000008), (2, 110700000004), (4, 55350000002), (8, 27675000001), (11, 20127272728), (22, 10063636364), (37, 5983783784), (44, 5031818182), (74, 2991891892), (88, 2515909091), (101, 2192079208), (148, 1495945946), (202, 1096039604), (296, 747972973), (404, 548019802), (407, 543980344), (653, 339050536), (808, 274009901), (814, 271990172), (1031, 214742968), (1111, 199279928), (1306, 169525268), (1628, 135995086), (2062, 107371484), (2222, 99639964), (2612, 84762634), (3256, 67997543), (3737, 59245384), (4124, 53685742), (4444, 49819982), (5224, 42381317), (7183, 30822776), (7474, 29622692), (8248, 26842871), (8888, 24909991), (11341, 19522088), (14366, 15411388), (14948, 14811346), (22682, 9761044), (24161, 9163528), (28732, 7705694), (29896, 7405673), (38147, 5803864), (41107, 5385944), (45364, 4880522), (48322, 4581764), (57464, 3852847), (65953, 3356936), (76294, 2901932), (82214, 2692972), (90728, 2440261), (96644, 2290882), (104131, 2126168), (131906, 1678468), (152588, 1450966), (164428, 1346486), (193288, 1145441), (208262, 1063084), (263812, 839234), (265771, 833048), (305176, 725483), (328856, 673243), (416524, 531542), (419617, 527624)]