947821490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:648

約数の個数: 128

約数和(自身を含む): 2244464640

約数和(自身を除く): 1296643150

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 55, 70, 77, 109, 110, 115, 154, 161, 218, 230, 253, 322, 385, 491, 506, 545, 763, 770, 805, 982, 1090, 1199, 1265, 1526, 1610, 1771, 2398, 2455, 2507, 2530, 3437, 3542, 3815, 4910, 5014, 5401, 5995, 6874, 7630, 8393, 8855, 10802, 11293, 11990, 12535, 16786, 17185, 17549, 17710, 22586, 25070, 27005, 27577, 34370, 35098, 37807, 41965, 53519, 54010, 55154, 56465, 75614, 79051, 83930, 87745, 107038, 112930, 124223, 137885, 158102, 175490, 189035, 193039, 248446, 267595, 275770, 374633, 378070, 386078, 395255, 535190, 588709, 621115, 749266, 790510, 869561, 965195, 1177418, 1230937, 1242230, 1739122, 1873165, 1930390, 2461874, 2943545, 3746330, 4120963, 4347805, 5887090, 6154685, 8241926, 8616559, 8695610, 12309370, 13540307, 17233118, 20604815, 27080614, 41209630, 43082795, 67701535, 86165590, 94782149, 135403070, 189564298, 473910745, 947821490]

約数ペア:

[(1, 947821490), (2, 473910745), (5, 189564298), (7, 135403070), (10, 94782149), (11, 86165590), (14, 67701535), (22, 43082795), (23, 41209630), (35, 27080614), (46, 20604815), (55, 17233118), (70, 13540307), (77, 12309370), (109, 8695610), (110, 8616559), (115, 8241926), (154, 6154685), (161, 5887090), (218, 4347805), (230, 4120963), (253, 3746330), (322, 2943545), (385, 2461874), (491, 1930390), (506, 1873165), (545, 1739122), (763, 1242230), (770, 1230937), (805, 1177418), (982, 965195), (1090, 869561), (1199, 790510), (1265, 749266), (1526, 621115), (1610, 588709), (1771, 535190), (2398, 395255), (2455, 386078), (2507, 378070), (2530, 374633), (3437, 275770), (3542, 267595), (3815, 248446), (4910, 193039), (5014, 189035), (5401, 175490), (5995, 158102), (6874, 137885), (7630, 124223), (8393, 112930), (8855, 107038), (10802, 87745), (11293, 83930), (11990, 79051), (12535, 75614), (16786, 56465), (17185, 55154), (17549, 54010), (17710, 53519), (22586, 41965), (25070, 37807), (27005, 35098), (27577, 34370)]