81474400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{14549}}^1$

素因数の和:14576

約数の個数: 72

約数和(自身を含む): 227329200

約数和(自身を除く): 145854800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 5600, 14549, 29098, 58196, 72745, 101843, 116392, 145490, 203686, 232784, 290980, 363725, 407372, 465568, 509215, 581960, 727450, 814744, 1018430, 1163920, 1454900, 1629488, 2036860, 2327840, 2546075, 2909800, 3258976, 4073720, 5092150, 5819600, 8147440, 10184300, 11639200, 16294880, 20368600, 40737200, 81474400]

約数ペア:

[(1, 81474400), (2, 40737200), (4, 20368600), (5, 16294880), (7, 11639200), (8, 10184300), (10, 8147440), (14, 5819600), (16, 5092150), (20, 4073720), (25, 3258976), (28, 2909800), (32, 2546075), (35, 2327840), (40, 2036860), (50, 1629488), (56, 1454900), (70, 1163920), (80, 1018430), (100, 814744), (112, 727450), (140, 581960), (160, 509215), (175, 465568), (200, 407372), (224, 363725), (280, 290980), (350, 232784), (400, 203686), (560, 145490), (700, 116392), (800, 101843), (1120, 72745), (1400, 58196), (2800, 29098), (5600, 14549)]