17893120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{1997}}^1$

素因数の和:2025

約数の個数: 72

約数和(自身を含む): 49006944

約数和(自身を除く): 31113824

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, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 1997, 2240, 3994, 4480, 7988, 8960, 9985, 13979, 15976, 19970, 27958, 31952, 39940, 55916, 63904, 69895, 79880, 111832, 127808, 139790, 159760, 223664, 255616, 279580, 319520, 447328, 511232, 559160, 639040, 894656, 1118320, 1278080, 1789312, 2236640, 2556160, 3578624, 4473280, 8946560, 17893120]

約数ペア:

[(1, 17893120), (2, 8946560), (4, 4473280), (5, 3578624), (7, 2556160), (8, 2236640), (10, 1789312), (14, 1278080), (16, 1118320), (20, 894656), (28, 639040), (32, 559160), (35, 511232), (40, 447328), (56, 319520), (64, 279580), (70, 255616), (80, 223664), (112, 159760), (128, 139790), (140, 127808), (160, 111832), (224, 79880), (256, 69895), (280, 63904), (320, 55916), (448, 39940), (560, 31952), (640, 27958), (896, 19970), (1120, 15976), (1280, 13979), (1792, 9985), (1997, 8960), (2240, 7988), (3994, 4480)]