243453560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{557}}^1$

素因数の和:805

約数の個数: 96

約数和(自身を含む): 641208960

約数和(自身を除く): 397755400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 223, 245, 280, 392, 446, 490, 557, 892, 980, 1114, 1115, 1561, 1784, 1960, 2228, 2230, 2785, 3122, 3899, 4456, 4460, 5570, 6244, 7798, 7805, 8920, 10927, 11140, 12488, 15596, 15610, 19495, 21854, 22280, 27293, 31192, 31220, 38990, 43708, 54586, 54635, 62440, 77980, 87416, 109172, 109270, 124211, 136465, 155960, 218344, 218540, 248422, 272930, 437080, 496844, 545860, 621055, 869477, 993688, 1091720, 1242110, 1738954, 2484220, 3477908, 4347385, 4968440, 6086339, 6955816, 8694770, 12172678, 17389540, 24345356, 30431695, 34779080, 48690712, 60863390, 121726780, 243453560]

約数ペア:

[(1, 243453560), (2, 121726780), (4, 60863390), (5, 48690712), (7, 34779080), (8, 30431695), (10, 24345356), (14, 17389540), (20, 12172678), (28, 8694770), (35, 6955816), (40, 6086339), (49, 4968440), (56, 4347385), (70, 3477908), (98, 2484220), (140, 1738954), (196, 1242110), (223, 1091720), (245, 993688), (280, 869477), (392, 621055), (446, 545860), (490, 496844), (557, 437080), (892, 272930), (980, 248422), (1114, 218540), (1115, 218344), (1561, 155960), (1784, 136465), (1960, 124211), (2228, 109270), (2230, 109172), (2785, 87416), (3122, 77980), (3899, 62440), (4456, 54635), (4460, 54586), (5570, 43708), (6244, 38990), (7798, 31220), (7805, 31192), (8920, 27293), (10927, 22280), (11140, 21854), (12488, 19495), (15596, 15610)]