1774591840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{461}}^1\times {\mathrm{491}}^1$

素因数の和:981

約数の個数: 144

約数和(自身を含む): 4897491984

約数和(自身を除く): 3122900144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 461, 490, 491, 560, 784, 922, 980, 982, 1120, 1568, 1844, 1960, 1964, 2305, 2455, 3227, 3437, 3688, 3920, 3928, 4610, 4910, 6454, 6874, 7376, 7840, 7856, 9220, 9820, 12908, 13748, 14752, 15712, 16135, 17185, 18440, 19640, 22589, 24059, 25816, 27496, 32270, 34370, 36880, 39280, 45178, 48118, 51632, 54992, 64540, 68740, 73760, 78560, 90356, 96236, 103264, 109984, 112945, 120295, 129080, 137480, 180712, 192472, 225890, 226351, 240590, 258160, 274960, 361424, 384944, 451780, 452702, 481180, 516320, 549920, 722848, 769888, 903560, 905404, 962360, 1131755, 1584457, 1807120, 1810808, 1924720, 2263510, 3168914, 3614240, 3621616, 3849440, 4527020, 6337828, 7243232, 7922285, 9054040, 11091199, 12675656, 15844570, 18108080, 22182398, 25351312, 31689140, 36216160, 44364796, 50702624, 55455995, 63378280, 88729592, 110911990, 126756560, 177459184, 221823980, 253513120, 354918368, 443647960, 887295920, 1774591840]

約数ペア:

[(1, 1774591840), (2, 887295920), (4, 443647960), (5, 354918368), (7, 253513120), (8, 221823980), (10, 177459184), (14, 126756560), (16, 110911990), (20, 88729592), (28, 63378280), (32, 55455995), (35, 50702624), (40, 44364796), (49, 36216160), (56, 31689140), (70, 25351312), (80, 22182398), (98, 18108080), (112, 15844570), (140, 12675656), (160, 11091199), (196, 9054040), (224, 7922285), (245, 7243232), (280, 6337828), (392, 4527020), (461, 3849440), (490, 3621616), (491, 3614240), (560, 3168914), (784, 2263510), (922, 1924720), (980, 1810808), (982, 1807120), (1120, 1584457), (1568, 1131755), (1844, 962360), (1960, 905404), (1964, 903560), (2305, 769888), (2455, 722848), (3227, 549920), (3437, 516320), (3688, 481180), (3920, 452702), (3928, 451780), (4610, 384944), (4910, 361424), (6454, 274960), (6874, 258160), (7376, 240590), (7840, 226351), (7856, 225890), (9220, 192472), (9820, 180712), (12908, 137480), (13748, 129080), (14752, 120295), (15712, 112945), (16135, 109984), (17185, 103264), (18440, 96236), (19640, 90356), (22589, 78560), (24059, 73760), (25816, 68740), (27496, 64540), (32270, 54992), (34370, 51632), (36880, 48118), (39280, 45178)]