289713760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{258673}}^1$

素因数の和:258695

約数の個数: 48

約数和(自身を含む): 782230176

約数和(自身を除く): 492516416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 258673, 517346, 1034692, 1293365, 1810711, 2069384, 2586730, 3621422, 4138768, 5173460, 7242844, 8277536, 9053555, 10346920, 14485688, 18107110, 20693840, 28971376, 36214220, 41387680, 57942752, 72428440, 144856880, 289713760]

約数ペア:

[(1, 289713760), (2, 144856880), (4, 72428440), (5, 57942752), (7, 41387680), (8, 36214220), (10, 28971376), (14, 20693840), (16, 18107110), (20, 14485688), (28, 10346920), (32, 9053555), (35, 8277536), (40, 7242844), (56, 5173460), (70, 4138768), (80, 3621422), (112, 2586730), (140, 2069384), (160, 1810711), (224, 1293365), (280, 1034692), (560, 517346), (1120, 258673)]