1395800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{997}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 3712560

約数和(自身を除く): 2316760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 997, 1400, 1994, 3988, 4985, 6979, 7976, 9970, 13958, 19940, 24925, 27916, 34895, 39880, 49850, 55832, 69790, 99700, 139580, 174475, 199400, 279160, 348950, 697900, 1395800]

約数ペア:

[(1, 1395800), (2, 697900), (4, 348950), (5, 279160), (7, 199400), (8, 174475), (10, 139580), (14, 99700), (20, 69790), (25, 55832), (28, 49850), (35, 39880), (40, 34895), (50, 27916), (56, 24925), (70, 19940), (100, 13958), (140, 9970), (175, 7976), (200, 6979), (280, 4985), (350, 3988), (700, 1994), (997, 1400)]