1808217220

素因数分解:

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

素因数の和:949

約数の個数: 72

約数和(自身を含む): 3990319704

約数和(自身を除く): 2182102484

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 277, 460, 529, 554, 617, 1058, 1108, 1234, 1385, 2116, 2468, 2645, 2770, 3085, 5290, 5540, 6170, 6371, 10580, 12340, 12742, 14191, 25484, 28382, 31855, 56764, 63710, 70955, 127420, 141910, 146533, 170909, 283820, 293066, 326393, 341818, 586132, 652786, 683636, 732665, 854545, 1305572, 1465330, 1631965, 1709090, 2930660, 3263930, 3418180, 3930907, 6527860, 7861814, 15723628, 19654535, 39309070, 78618140, 90410861, 180821722, 361643444, 452054305, 904108610, 1808217220]

約数ペア:

[(1, 1808217220), (2, 904108610), (4, 452054305), (5, 361643444), (10, 180821722), (20, 90410861), (23, 78618140), (46, 39309070), (92, 19654535), (115, 15723628), (230, 7861814), (277, 6527860), (460, 3930907), (529, 3418180), (554, 3263930), (617, 2930660), (1058, 1709090), (1108, 1631965), (1234, 1465330), (1385, 1305572), (2116, 854545), (2468, 732665), (2645, 683636), (2770, 652786), (3085, 586132), (5290, 341818), (5540, 326393), (6170, 293066), (6371, 283820), (10580, 170909), (12340, 146533), (12742, 141910), (14191, 127420), (25484, 70955), (28382, 63710), (31855, 56764)]