1917263480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1117}}^1$

素因数の和:1269

約数の個数: 128

約数和(自身を含む): 4868398080

約数和(自身を除く): 2951134600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 83, 88, 94, 110, 166, 188, 220, 235, 332, 376, 415, 440, 470, 517, 664, 830, 913, 940, 1034, 1117, 1660, 1826, 1880, 2068, 2234, 2585, 3320, 3652, 3901, 4136, 4468, 4565, 5170, 5585, 7304, 7802, 8936, 9130, 10340, 11170, 12287, 15604, 18260, 19505, 20680, 22340, 24574, 31208, 36520, 39010, 42911, 44680, 49148, 52499, 61435, 78020, 85822, 92711, 98296, 104998, 122870, 156040, 171644, 185422, 209996, 214555, 245740, 262495, 343288, 370844, 419992, 429110, 463555, 491480, 524990, 577489, 741688, 858220, 927110, 1019821, 1049980, 1154978, 1716440, 1854220, 2039642, 2099960, 2309956, 2887445, 3708440, 4079284, 4357417, 4619912, 5099105, 5774890, 8158568, 8714834, 10198210, 11549780, 17429668, 20396420, 21787085, 23099560, 34859336, 40792840, 43574170, 47931587, 87148340, 95863174, 174296680, 191726348, 239657935, 383452696, 479315870, 958631740, 1917263480]

約数ペア:

[(1, 1917263480), (2, 958631740), (4, 479315870), (5, 383452696), (8, 239657935), (10, 191726348), (11, 174296680), (20, 95863174), (22, 87148340), (40, 47931587), (44, 43574170), (47, 40792840), (55, 34859336), (83, 23099560), (88, 21787085), (94, 20396420), (110, 17429668), (166, 11549780), (188, 10198210), (220, 8714834), (235, 8158568), (332, 5774890), (376, 5099105), (415, 4619912), (440, 4357417), (470, 4079284), (517, 3708440), (664, 2887445), (830, 2309956), (913, 2099960), (940, 2039642), (1034, 1854220), (1117, 1716440), (1660, 1154978), (1826, 1049980), (1880, 1019821), (2068, 927110), (2234, 858220), (2585, 741688), (3320, 577489), (3652, 524990), (3901, 491480), (4136, 463555), (4468, 429110), (4565, 419992), (5170, 370844), (5585, 343288), (7304, 262495), (7802, 245740), (8936, 214555), (9130, 209996), (10340, 185422), (11170, 171644), (12287, 156040), (15604, 122870), (18260, 104998), (19505, 98296), (20680, 92711), (22340, 85822), (24574, 78020), (31208, 61435), (36520, 52499), (39010, 49148), (42911, 44680)]