117018980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 269778600

約数和(自身を除く): 152759620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 169, 178, 260, 338, 356, 389, 445, 676, 778, 845, 890, 1157, 1556, 1690, 1780, 1945, 2314, 3380, 3890, 4628, 5057, 5785, 7780, 10114, 11570, 15041, 20228, 23140, 25285, 30082, 34621, 50570, 60164, 65741, 69242, 75205, 101140, 131482, 138484, 150410, 173105, 262964, 300820, 328705, 346210, 450073, 657410, 692420, 900146, 1314820, 1800292, 2250365, 4500730, 5850949, 9001460, 11701898, 23403796, 29254745, 58509490, 117018980]

約数ペア:

[(1, 117018980), (2, 58509490), (4, 29254745), (5, 23403796), (10, 11701898), (13, 9001460), (20, 5850949), (26, 4500730), (52, 2250365), (65, 1800292), (89, 1314820), (130, 900146), (169, 692420), (178, 657410), (260, 450073), (338, 346210), (356, 328705), (389, 300820), (445, 262964), (676, 173105), (778, 150410), (845, 138484), (890, 131482), (1157, 101140), (1556, 75205), (1690, 69242), (1780, 65741), (1945, 60164), (2314, 50570), (3380, 34621), (3890, 30082), (4628, 25285), (5057, 23140), (5785, 20228), (7780, 15041), (10114, 11570)]