164424400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{8389}}^1$

素因数の和:8421

約数の個数: 90

約数和(自身を含む): 459579030

約数和(自身を除く): 295154630

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 8389, 9800, 16778, 19600, 33556, 41945, 58723, 67112, 83890, 117446, 134224, 167780, 209725, 234892, 293615, 335560, 411061, 419450, 469784, 587230, 671120, 822122, 838900, 939568, 1174460, 1468075, 1644244, 1677800, 2055305, 2348920, 2936150, 3288488, 3355600, 4110610, 4697840, 5872300, 6576976, 8221220, 10276525, 11744600, 16442440, 20553050, 23489200, 32884880, 41106100, 82212200, 164424400]

約数ペア:

[(1, 164424400), (2, 82212200), (4, 41106100), (5, 32884880), (7, 23489200), (8, 20553050), (10, 16442440), (14, 11744600), (16, 10276525), (20, 8221220), (25, 6576976), (28, 5872300), (35, 4697840), (40, 4110610), (49, 3355600), (50, 3288488), (56, 2936150), (70, 2348920), (80, 2055305), (98, 1677800), (100, 1644244), (112, 1468075), (140, 1174460), (175, 939568), (196, 838900), (200, 822122), (245, 671120), (280, 587230), (350, 469784), (392, 419450), (400, 411061), (490, 335560), (560, 293615), (700, 234892), (784, 209725), (980, 167780), (1225, 134224), (1400, 117446), (1960, 83890), (2450, 67112), (2800, 58723), (3920, 41945), (4900, 33556), (8389, 19600), (9800, 16778)]