4473280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{1997}}^1$

素因数の和:2021

約数の個数: 56

約数和(自身を含む): 12179808

約数和(自身を除く): 7706528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 1997, 2240, 3994, 7988, 9985, 13979, 15976, 19970, 27958, 31952, 39940, 55916, 63904, 69895, 79880, 111832, 127808, 139790, 159760, 223664, 279580, 319520, 447328, 559160, 639040, 894656, 1118320, 2236640, 4473280]

約数ペア:

[(1, 4473280), (2, 2236640), (4, 1118320), (5, 894656), (7, 639040), (8, 559160), (10, 447328), (14, 319520), (16, 279580), (20, 223664), (28, 159760), (32, 139790), (35, 127808), (40, 111832), (56, 79880), (64, 69895), (70, 63904), (80, 55916), (112, 39940), (140, 31952), (160, 27958), (224, 19970), (280, 15976), (320, 13979), (448, 9985), (560, 7988), (1120, 3994), (1997, 2240)]