259840428

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{2239}}^1$

素因数の和:2774

約数の個数: 48

約数和(自身を含む): 639744000

約数和(自身を除く): 379903572

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 509, 1018, 1527, 2036, 2239, 3054, 4478, 6108, 6717, 8956, 9671, 13434, 19342, 26868, 29013, 38684, 42541, 58026, 85082, 116052, 127623, 170164, 255246, 510492, 1139651, 2279302, 3418953, 4558604, 6837906, 13675812, 21653369, 43306738, 64960107, 86613476, 129920214, 259840428]

約数ペア:

[(1, 259840428), (2, 129920214), (3, 86613476), (4, 64960107), (6, 43306738), (12, 21653369), (19, 13675812), (38, 6837906), (57, 4558604), (76, 3418953), (114, 2279302), (228, 1139651), (509, 510492), (1018, 255246), (1527, 170164), (2036, 127623), (2239, 116052), (3054, 85082), (4478, 58026), (6108, 42541), (6717, 38684), (8956, 29013), (9671, 26868), (13434, 19342)]