2750440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:95

約数の個数: 128

約数和(自身を含む): 8294400

約数和(自身を除く): 5543960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 47, 55, 56, 70, 76, 77, 88, 94, 95, 110, 133, 140, 152, 154, 188, 190, 209, 220, 235, 266, 280, 308, 329, 376, 380, 385, 418, 440, 470, 517, 532, 616, 658, 665, 760, 770, 836, 893, 940, 1034, 1045, 1064, 1316, 1330, 1463, 1540, 1645, 1672, 1786, 1880, 2068, 2090, 2585, 2632, 2660, 2926, 3080, 3290, 3572, 3619, 4136, 4180, 4465, 5170, 5320, 5852, 6251, 6580, 7144, 7238, 7315, 8360, 8930, 9823, 10340, 11704, 12502, 13160, 14476, 14630, 17860, 18095, 19646, 20680, 25004, 28952, 29260, 31255, 35720, 36190, 39292, 49115, 50008, 58520, 62510, 68761, 72380, 78584, 98230, 125020, 137522, 144760, 196460, 250040, 275044, 343805, 392920, 550088, 687610, 1375220, 2750440]

約数ペア:

[(1, 2750440), (2, 1375220), (4, 687610), (5, 550088), (7, 392920), (8, 343805), (10, 275044), (11, 250040), (14, 196460), (19, 144760), (20, 137522), (22, 125020), (28, 98230), (35, 78584), (38, 72380), (40, 68761), (44, 62510), (47, 58520), (55, 50008), (56, 49115), (70, 39292), (76, 36190), (77, 35720), (88, 31255), (94, 29260), (95, 28952), (110, 25004), (133, 20680), (140, 19646), (152, 18095), (154, 17860), (188, 14630), (190, 14476), (209, 13160), (220, 12502), (235, 11704), (266, 10340), (280, 9823), (308, 8930), (329, 8360), (376, 7315), (380, 7238), (385, 7144), (418, 6580), (440, 6251), (470, 5852), (517, 5320), (532, 5170), (616, 4465), (658, 4180), (665, 4136), (760, 3619), (770, 3572), (836, 3290), (893, 3080), (940, 2926), (1034, 2660), (1045, 2632), (1064, 2585), (1316, 2090), (1330, 2068), (1463, 1880), (1540, 1786), (1645, 1672)]