1877897720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{5657}}^1$

素因数の和:5904

約数の個数: 64

約数和(自身を含む): 4346701920

約数和(自身を除く): 2468804200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 193, 215, 344, 386, 430, 772, 860, 965, 1544, 1720, 1930, 3860, 5657, 7720, 8299, 11314, 16598, 22628, 28285, 33196, 41495, 45256, 56570, 66392, 82990, 113140, 165980, 226280, 243251, 331960, 486502, 973004, 1091801, 1216255, 1946008, 2183602, 2432510, 4367204, 4865020, 5459005, 8734408, 9730040, 10918010, 21836020, 43672040, 46947443, 93894886, 187789772, 234737215, 375579544, 469474430, 938948860, 1877897720]

約数ペア:

[(1, 1877897720), (2, 938948860), (4, 469474430), (5, 375579544), (8, 234737215), (10, 187789772), (20, 93894886), (40, 46947443), (43, 43672040), (86, 21836020), (172, 10918010), (193, 9730040), (215, 8734408), (344, 5459005), (386, 4865020), (430, 4367204), (772, 2432510), (860, 2183602), (965, 1946008), (1544, 1216255), (1720, 1091801), (1930, 973004), (3860, 486502), (5657, 331960), (7720, 243251), (8299, 226280), (11314, 165980), (16598, 113140), (22628, 82990), (28285, 66392), (33196, 56570), (41495, 45256)]