392990080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{87721}}^1$

素因数の和:87747

約数の個数: 64

約数和(自身を含む): 1073717280

約数和(自身を除く): 680727200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 87721, 175442, 350884, 438605, 614047, 701768, 877210, 1228094, 1403536, 1754420, 2456188, 2807072, 3070235, 3508840, 4912376, 5614144, 6140470, 7017680, 9824752, 11228288, 12280940, 14035360, 19649504, 24561880, 28070720, 39299008, 49123760, 56141440, 78598016, 98247520, 196495040, 392990080]

約数ペア:

[(1, 392990080), (2, 196495040), (4, 98247520), (5, 78598016), (7, 56141440), (8, 49123760), (10, 39299008), (14, 28070720), (16, 24561880), (20, 19649504), (28, 14035360), (32, 12280940), (35, 11228288), (40, 9824752), (56, 7017680), (64, 6140470), (70, 5614144), (80, 4912376), (112, 3508840), (128, 3070235), (140, 2807072), (160, 2456188), (224, 1754420), (280, 1403536), (320, 1228094), (448, 877210), (560, 701768), (640, 614047), (896, 438605), (1120, 350884), (2240, 175442), (4480, 87721)]