255720010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1861}}^1$

素因数の和:2039

約数の個数: 64

約数和(自身を含む): 570576384

約数和(自身を除く): 314856374

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 151, 182, 302, 455, 755, 910, 1057, 1510, 1861, 1963, 2114, 3722, 3926, 5285, 9305, 9815, 10570, 13027, 13741, 18610, 19630, 24193, 26054, 27482, 48386, 65135, 68705, 120965, 130270, 137410, 169351, 241930, 281011, 338702, 562022, 846755, 1405055, 1693510, 1967077, 2810110, 3653143, 3934154, 7306286, 9835385, 18265715, 19670770, 25572001, 36531430, 51144002, 127860005, 255720010]

約数ペア:

[(1, 255720010), (2, 127860005), (5, 51144002), (7, 36531430), (10, 25572001), (13, 19670770), (14, 18265715), (26, 9835385), (35, 7306286), (65, 3934154), (70, 3653143), (91, 2810110), (130, 1967077), (151, 1693510), (182, 1405055), (302, 846755), (455, 562022), (755, 338702), (910, 281011), (1057, 241930), (1510, 169351), (1861, 137410), (1963, 130270), (2114, 120965), (3722, 68705), (3926, 65135), (5285, 48386), (9305, 27482), (9815, 26054), (10570, 24193), (13027, 19630), (13741, 18610)]