128517690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{87427}}^1$

素因数の和:87451

約数の個数: 48

約数和(自身を含む): 358804512

約数和(自身を除く): 230286822

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 87427, 174854, 262281, 437135, 524562, 611989, 874270, 1223978, 1311405, 1835967, 2622810, 3059945, 3671934, 4283923, 6119890, 8567846, 9179835, 12851769, 18359670, 21419615, 25703538, 42839230, 64258845, 128517690]

約数ペア:

[(1, 128517690), (2, 64258845), (3, 42839230), (5, 25703538), (6, 21419615), (7, 18359670), (10, 12851769), (14, 9179835), (15, 8567846), (21, 6119890), (30, 4283923), (35, 3671934), (42, 3059945), (49, 2622810), (70, 1835967), (98, 1311405), (105, 1223978), (147, 874270), (210, 611989), (245, 524562), (294, 437135), (490, 262281), (735, 174854), (1470, 87427)]