261771860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{8237}}^1$

素因数の和:8480

約数の個数: 48

約数和(自身を含む): 631096704

約数和(自身を除く): 369324844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 1135, 1589, 2270, 3178, 4540, 6356, 7945, 8237, 15890, 16474, 31780, 32948, 41185, 57659, 82370, 115318, 164740, 230636, 288295, 576590, 1153180, 1869799, 3739598, 7479196, 9348995, 13088593, 18697990, 26177186, 37395980, 52354372, 65442965, 130885930, 261771860]

約数ペア:

[(1, 261771860), (2, 130885930), (4, 65442965), (5, 52354372), (7, 37395980), (10, 26177186), (14, 18697990), (20, 13088593), (28, 9348995), (35, 7479196), (70, 3739598), (140, 1869799), (227, 1153180), (454, 576590), (908, 288295), (1135, 230636), (1589, 164740), (2270, 115318), (3178, 82370), (4540, 57659), (6356, 41185), (7945, 32948), (8237, 31780), (15890, 16474)]