28997320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1117}}^1$

素因数の和:1198

約数の個数: 64

約数和(自身を含む): 72446400

約数和(自身を除く): 43449080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 1117, 1180, 1298, 2234, 2360, 2596, 3245, 4468, 5192, 5585, 6490, 8936, 11170, 12287, 12980, 22340, 24574, 25960, 44680, 49148, 61435, 65903, 98296, 122870, 131806, 245740, 263612, 329515, 491480, 527224, 659030, 724933, 1318060, 1449866, 2636120, 2899732, 3624665, 5799464, 7249330, 14498660, 28997320]

約数ペア:

[(1, 28997320), (2, 14498660), (4, 7249330), (5, 5799464), (8, 3624665), (10, 2899732), (11, 2636120), (20, 1449866), (22, 1318060), (40, 724933), (44, 659030), (55, 527224), (59, 491480), (88, 329515), (110, 263612), (118, 245740), (220, 131806), (236, 122870), (295, 98296), (440, 65903), (472, 61435), (590, 49148), (649, 44680), (1117, 25960), (1180, 24574), (1298, 22340), (2234, 12980), (2360, 12287), (2596, 11170), (3245, 8936), (4468, 6490), (5192, 5585)]