78618140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{617}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 173178432

約数和(自身を除く): 94560292

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 277, 460, 554, 617, 1108, 1234, 1385, 2468, 2770, 3085, 5540, 6170, 6371, 12340, 12742, 14191, 25484, 28382, 31855, 56764, 63710, 70955, 127420, 141910, 170909, 283820, 341818, 683636, 854545, 1709090, 3418180, 3930907, 7861814, 15723628, 19654535, 39309070, 78618140]

約数ペア:

[(1, 78618140), (2, 39309070), (4, 19654535), (5, 15723628), (10, 7861814), (20, 3930907), (23, 3418180), (46, 1709090), (92, 854545), (115, 683636), (230, 341818), (277, 283820), (460, 170909), (554, 141910), (617, 127420), (1108, 70955), (1234, 63710), (1385, 56764), (2468, 31855), (2770, 28382), (3085, 25484), (5540, 14191), (6170, 12742), (6371, 12340)]