2000681660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{5273}}^1$

素因数の和:5654

約数の個数: 48

約数和(自身を含む): 4284850752

約数和(自身を除く): 2284169092

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 311, 610, 622, 1220, 1244, 1555, 3110, 5273, 6220, 10546, 18971, 21092, 26365, 37942, 52730, 75884, 94855, 105460, 189710, 321653, 379420, 643306, 1286612, 1608265, 1639903, 3216530, 3279806, 6433060, 6559612, 8199515, 16399030, 32798060, 100034083, 200068166, 400136332, 500170415, 1000340830, 2000681660]

約数ペア:

[(1, 2000681660), (2, 1000340830), (4, 500170415), (5, 400136332), (10, 200068166), (20, 100034083), (61, 32798060), (122, 16399030), (244, 8199515), (305, 6559612), (311, 6433060), (610, 3279806), (622, 3216530), (1220, 1639903), (1244, 1608265), (1555, 1286612), (3110, 643306), (5273, 379420), (6220, 321653), (10546, 189710), (18971, 105460), (21092, 94855), (26365, 75884), (37942, 52730)]