16694440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 43401600

約数和(自身を除く): 26707160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 547, 763, 872, 1090, 1094, 1526, 2180, 2188, 2735, 3052, 3815, 3829, 4360, 4376, 5470, 6104, 7630, 7658, 10940, 15260, 15316, 19145, 21880, 30520, 30632, 38290, 59623, 76580, 119246, 153160, 238492, 298115, 417361, 476984, 596230, 834722, 1192460, 1669444, 2086805, 2384920, 3338888, 4173610, 8347220, 16694440]

約数ペア:

[(1, 16694440), (2, 8347220), (4, 4173610), (5, 3338888), (7, 2384920), (8, 2086805), (10, 1669444), (14, 1192460), (20, 834722), (28, 596230), (35, 476984), (40, 417361), (56, 298115), (70, 238492), (109, 153160), (140, 119246), (218, 76580), (280, 59623), (436, 38290), (545, 30632), (547, 30520), (763, 21880), (872, 19145), (1090, 15316), (1094, 15260), (1526, 10940), (2180, 7658), (2188, 7630), (2735, 6104), (3052, 5470), (3815, 4376), (3829, 4360)]