140192920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71527}}^1$

素因数の和:71552

約数の個数: 48

約数和(自身を含む): 366938640

約数和(自身を除く): 226745720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 71527, 143054, 286108, 357635, 500689, 572216, 715270, 1001378, 1430540, 2002756, 2503445, 2861080, 3504823, 4005512, 5006890, 7009646, 10013780, 14019292, 17524115, 20027560, 28038584, 35048230, 70096460, 140192920]

約数ペア:

[(1, 140192920), (2, 70096460), (4, 35048230), (5, 28038584), (7, 20027560), (8, 17524115), (10, 14019292), (14, 10013780), (20, 7009646), (28, 5006890), (35, 4005512), (40, 3504823), (49, 2861080), (56, 2503445), (70, 2002756), (98, 1430540), (140, 1001378), (196, 715270), (245, 572216), (280, 500689), (392, 357635), (490, 286108), (980, 143054), (1960, 71527)]