211463880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 659594880

約数和(自身を除く): 448131000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 97, 111, 120, 148, 185, 194, 222, 291, 296, 370, 388, 444, 485, 491, 555, 582, 740, 776, 888, 970, 982, 1110, 1164, 1455, 1473, 1480, 1940, 1964, 2220, 2328, 2455, 2910, 2946, 3589, 3880, 3928, 4440, 4910, 5820, 5892, 7178, 7365, 9820, 10767, 11640, 11784, 14356, 14730, 17945, 18167, 19640, 21534, 28712, 29460, 35890, 36334, 43068, 47627, 53835, 54501, 58920, 71780, 72668, 86136, 90835, 95254, 107670, 109002, 142881, 143560, 145336, 181670, 190508, 215340, 218004, 238135, 272505, 285762, 363340, 381016, 430680, 436008, 476270, 545010, 571524, 714405, 726680, 952540, 1090020, 1143048, 1428810, 1762199, 1905080, 2180040, 2857620, 3524398, 5286597, 5715240, 7048796, 8810995, 10573194, 14097592, 17621990, 21146388, 26432985, 35243980, 42292776, 52865970, 70487960, 105731940, 211463880]

約数ペア:

[(1, 211463880), (2, 105731940), (3, 70487960), (4, 52865970), (5, 42292776), (6, 35243980), (8, 26432985), (10, 21146388), (12, 17621990), (15, 14097592), (20, 10573194), (24, 8810995), (30, 7048796), (37, 5715240), (40, 5286597), (60, 3524398), (74, 2857620), (97, 2180040), (111, 1905080), (120, 1762199), (148, 1428810), (185, 1143048), (194, 1090020), (222, 952540), (291, 726680), (296, 714405), (370, 571524), (388, 545010), (444, 476270), (485, 436008), (491, 430680), (555, 381016), (582, 363340), (740, 285762), (776, 272505), (888, 238135), (970, 218004), (982, 215340), (1110, 190508), (1164, 181670), (1455, 145336), (1473, 143560), (1480, 142881), (1940, 109002), (1964, 107670), (2220, 95254), (2328, 90835), (2455, 86136), (2910, 72668), (2946, 71780), (3589, 58920), (3880, 54501), (3928, 53835), (4440, 47627), (4910, 43068), (5820, 36334), (5892, 35890), (7178, 29460), (7365, 28712), (9820, 21534), (10767, 19640), (11640, 18167), (11784, 17945), (14356, 14730)]