17172680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61331}}^1$

素因数の和:61349

約数の個数: 32

約数和(自身を含む): 44159040

約数和(自身を除く): 26986360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 61331, 122662, 245324, 306655, 429317, 490648, 613310, 858634, 1226620, 1717268, 2146585, 2453240, 3434536, 4293170, 8586340, 17172680]

約数ペア:

[(1, 17172680), (2, 8586340), (4, 4293170), (5, 3434536), (7, 2453240), (8, 2146585), (10, 1717268), (14, 1226620), (20, 858634), (28, 613310), (35, 490648), (40, 429317), (56, 306655), (70, 245324), (140, 122662), (280, 61331)]