257324020

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{35839}}^1$

素因数の和:36207

約数の個数: 24

約数和(自身を含む): 541900800

約数和(自身を除く): 284576780

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 7180, 35839, 71678, 143356, 179195, 358390, 716780, 12866201, 25732402, 51464804, 64331005, 128662010, 257324020]

約数ペア:

[(1, 257324020), (2, 128662010), (4, 64331005), (5, 51464804), (10, 25732402), (20, 12866201), (359, 716780), (718, 358390), (1436, 179195), (1795, 143356), (3590, 71678), (7180, 35839)]