320178508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{523}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 617661856

約数和(自身を除く): 297483348

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 193, 244, 386, 523, 772, 793, 1046, 1586, 2092, 2509, 3172, 5018, 6799, 10036, 11773, 13598, 23546, 27196, 31903, 47092, 63806, 100939, 127612, 153049, 201878, 306098, 403756, 414739, 612196, 829478, 1312207, 1658956, 2624414, 5248828, 6157279, 12314558, 24629116, 80044627, 160089254, 320178508]

約数ペア:

[(1, 320178508), (2, 160089254), (4, 80044627), (13, 24629116), (26, 12314558), (52, 6157279), (61, 5248828), (122, 2624414), (193, 1658956), (244, 1312207), (386, 829478), (523, 612196), (772, 414739), (793, 403756), (1046, 306098), (1586, 201878), (2092, 153049), (2509, 127612), (3172, 100939), (5018, 63806), (6799, 47092), (10036, 31903), (11773, 27196), (13598, 23546)]