4090660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 9999360

約数和(自身を除く): 5908700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 479, 610, 854, 958, 1220, 1708, 1916, 2135, 2395, 3353, 4270, 4790, 6706, 8540, 9580, 13412, 16765, 29219, 33530, 58438, 67060, 116876, 146095, 204533, 292190, 409066, 584380, 818132, 1022665, 2045330, 4090660]

約数ペア:

[(1, 4090660), (2, 2045330), (4, 1022665), (5, 818132), (7, 584380), (10, 409066), (14, 292190), (20, 204533), (28, 146095), (35, 116876), (61, 67060), (70, 58438), (122, 33530), (140, 29219), (244, 16765), (305, 13412), (427, 9580), (479, 8540), (610, 6706), (854, 4790), (958, 4270), (1220, 3353), (1708, 2395), (1916, 2135)]